LED digital display screen

Abstract

An LED digital display screen comprises a mounting base and a circuit board packaged in the mounting base, a first groove and two second grooves are formed in the front face of the mounting base, a first light guide plate is arranged in the first groove, a second light guide plate is arranged in the second grooves, a mounting groove is formed in the back face of the mounting base, and the circuit board is arranged in the mounting groove. A first light-emitting diode and two second light-emitting diodes are arranged on the front surface of the circuit board, the first light-emitting diode is correspondingly arranged below the first light guide plate, the second light-emitting diodes are correspondingly arranged below the second light guide plate, and a contact pin is arranged on the back surface of the circuit board; a display panel is arranged on the front face of the installation base, three light-emitting areas are arranged on the display panel, and the three light-emitting areas correspond to the first light guide plate and the two second light guide plates respectively. According to the utility model, through the split type light guide structure, the integrally formed mounting seat and the sealing design, high definition, easy assembly and strong environmental adaptability are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen technical field especially LED digital display screen. BACKGROUND

[0002] Traditional LED digital display screen often adopts single light guide plate to cover multiple display areas, which has the following defects: light interference problem: adjacent area light crosstalk, resulting in low display contrast; high assembly complexity: light guide plate and light source alignment accuracy requirement is strict, low production efficiency; poor environmental adaptability: circuit board exposure is easy to be affected by moisture, dust erosion, affecting the service life; insufficient appearance concealment: non-display state element visible, affecting the appearance. SUMMARY

[0003] The utility model wants to solve the technical problem to provide a kind of LED digital display screen, compact structure, light efficiency is uniform, anti-interference is strong and the LED digital display screen suitable for severe environment.

[0004] To solve the above technical problems, the technical scheme of the utility model is: a kind of LED digital display screen, including mounting seat and the circuit board encapsulated in mounting seat, the front of the mounting seat is equipped with first recess and two second recesses, and the second recess is symmetrically arranged and is equipped in the side of first recess, the first recess between second recess and between two second recesses is equipped with baffle, the first recess is equipped with first light guide plate, the second recess is equipped with second light guide plate, the first light guide plate and second light guide plate are flush with the front of mounting seat respectively;The back of the mounting seat is equipped with mounting groove, and the circuit board is equipped in mounting groove, the front of the circuit board is equipped with first light emitting diode and two second light emitting diodes, the first light emitting diode is correspondingly arranged below first light guide plate, the second light emitting diode is correspondingly arranged below second light guide plate, the back of the circuit board is equipped with pin;The front of the mounting seat is equipped with display panel, and the display panel is equipped with three light emitting areas, and three light emitting areas are respectively equipped with first light guide plate and two second light guide plates.The utility model is through split type light guide structure, integrated mounting seat and sealing design, realize high definition, easy assembly and strong environmental adaptability.

[0005] As an improvement, the circuit board is sealed in the mounting groove by sealing glue.

[0006] As an improvement, the mounting seat is equipped with positioning column at four corners of bottom, and the baffle, positioning column and mounting seat are integrally injection molded.

[0007] As an improvement, the display panel is black panel, and the black panel is pasted on the front of the mounting seat, and the black panel is equipped with light-transmitting LOGO at corresponding light emitting area.

[0008] The utility model compared with prior art brings beneficial effect is:

[0009] 1. Optical performance improvement: independent light guide plate and baffle design eliminates cross light, display area boundary is clear;

[0010] 2. Production efficiency optimization: light guide plate pre-embedded in groove, automatic alignment with LED, reduces calibration cost;

[0011] 3. Enhanced environmental resistance: sealant protection + integrated structure, suitable for IP65 level protection scene;

[0012] 4. Appearance beauty: black panel hides internal components, transparent LOGO improves brand recognition. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model is exploded view. DETAILED DESCRIPTION

[0014] The utility model will be further described below in conjunction with the drawings of the specification.

[0015] For example, Figure 1As shown, an LED digital display screen comprises a square mounting base 1 and a circuit board 5 packaged in the mounting base 1. The front surface of the mounting base 1 is provided with a first groove 11 and two second grooves 12 symmetrically arranged on the left and right sides of the first groove 11, and a partition plate is arranged between the first groove 11 and the two second grooves 12. The partition plate is integrally injection molded with the mounting base 1. The first groove 11 is provided with a first light guide plate 2, and the shape of the first light guide plate 2 is matched with the shape of the first groove 11. The second groove 12 is provided with a second light guide plate 3, and the shape of the second light guide plate 3 is matched with the shape of the second groove 12. The first light guide plate 2 and the second light guide plate 3 are flush with the front surface of the mounting base 1, and the front surface of the mounting base 1 remains flat after the light guide plates are installed. The back surface of the mounting base 1 is provided with a mounting groove, and the circuit board 5 is arranged in the mounting groove and sealed in the mounting groove by sealing glue 6, thereby improving the waterproof performance of the display screen. The front surface of the circuit board 5 is provided with a first light emitting diode 52 and two second light emitting diodes 53. The first light emitting diode 52 is arranged below the first light guide plate 2, and the second light emitting diode 53 is arranged below the second light guide plate 3. The light emitted by the light emitting diode is guided out to the front surface of the mounting base 1 through the light guide plate. The back surface of the circuit board 5 is provided with a pin 51, which is connected with an external control circuit through the pin, thereby facilitating installation. The mounting base 1 is provided with an integral positioning column 13 at the four corners of the bottom, and the partition plate, the positioning column and the mounting base 1 are integrally injection molded. The positioning column 13 realizes positioning during installation of the display screen. The front surface of the mounting base 1 is provided with a display panel 4, and the display panel 4 is provided with three light emitting areas corresponding to the first light guide plate 2 and the two second light guide plates 3. The display panel 4 is a black panel, which is pasted on the front surface of the mounting base 1. The black panel is provided with a light-transmitting LOGO corresponding to the light emitting area, and the light-transmitting LOGO is customized to support brand logo and multifunctional icon display, such as display of power and wireless frequency band.

[0016] The utility model discloses a split type light guide structure, integrally formed mounting base 1 and sealing design realize high definition, easy to assemble and strong environmental adaptability.

Claims

1. An LED digital display screen, characterized in that: The device includes a mounting base and a circuit board encapsulated within the mounting base. The front of the mounting base has a first groove and two second grooves symmetrically arranged on one side of the first groove. A partition is provided between the first and second grooves, and between the two second grooves. A first light guide plate is located within the first groove, and a second light guide plate is located within each of the second grooves. The first and second light guide plates are flush with the front of the mounting base. The back of the mounting base has a mounting groove, and the circuit board is disposed within the mounting groove. The front of the circuit board has a first light-emitting diode (LED) and two second LEDs. The first LED is positioned below the first light guide plate, and the second LEDs are positioned below the second light guide plates. Pins are located on the back of the circuit board. The front of the mounting base has a display panel with three light-emitting areas, each corresponding to one of the first and two second light guide plates.

2. The LED digital display screen according to claim 1, characterized in that: The circuit board is sealed in the mounting groove with sealant.

3. The LED digital display screen according to claim 1, characterized in that: The mounting base has positioning posts at the four corners of its bottom, and the partition, positioning posts and mounting base are integrally injection molded.

4. An LED digital display screen according to claim 1, characterized in that: The display panel is a black panel, which is pasted on the front of the mounting base. A translucent logo is provided on the black panel at the corresponding light-emitting area.

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