Low-power-consumption backlight applied to display screen of electronic organ

Abstract

The utility model discloses a low power consumption backlight applied to an electronic organ display screen, which comprises a light guide plate and a lamp bead, the side edge of the light guide plate is wrapped with aluminum foil paper, one end of the light guide plate is provided with a luminous surface, the lamp bead is arranged on the back surface of the light guide plate, and one end of the light guide plate is provided with two pins which are electrically connected with the lamp bead. Light emitted by the lamp beads is diffused to all angles through the light guide plate, and finally the light is reflected to the display screen from the reflector plate on the surface of the light guide plate, so that the brightness and the uniformity of the light are improved, backlight illumination is provided for the display screen through the light reflected to the display screen, and when the light is reflected to the display screen through the reflector plate, the brightness and the uniformity of the light are improved. The diffusion film can further uniformize light rays and eliminate light spots, so that the effect of light reflected to the display screen is better, bright illumination is provided on the back face of the display screen, and when the electronic organ works in a room with weak light rays, the function indication of the display screen can be clearly visible through the bright illumination on the back face of the display screen.

Description

Technical Field

[0001] The utility model belongs to the technical field of electronic organs, and particularly relates to a low-power backlight source applied to the display screen of an electronic organ. Background Art

[0002] An electronic organ, also known as an electronic keyboard, belongs to electronic musical instruments (different from electro-acoustic musical instruments). Its sounding volume can be freely adjusted, it has a relatively wide range of tones, and rich harmony. Generally, an electronic organ is provided with a display screen for displaying numbers such as timbre and rhythm, which is convenient for users to select and adjust. During the performance, the display screen can also help users judge whether the played chords are correct, so as to make timely adjustments. However, when playing the electronic organ in a weak indoor light environment, the display screen cannot reflect enough light into the human eye in a dark environment, resulting in blurred screen content, making it difficult for users to see clearly, affecting the user's operation and reading of the information on the display screen, and thus resulting in poor visual experience and operation accuracy. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a low-power backlight source applied to the display screen of an electronic organ to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: A low-power backlight source applied to the display screen of an electronic organ, comprising:

[0005] A light guide plate, the side of the light guide plate is wrapped with aluminum foil paper, and one end of the light guide plate is provided with a light-emitting surface that is bent to the back of the light guide plate to shield the light guide plate, so that one end of the light guide plate is not light-transmissive;

[0006] A lamp bead, the lamp bead is arranged on the back of the light guide plate, and two pins are arranged at one end of the light guide plate and the pins are electrically connected to the lamp bead. The light source of the lamp bead is evenly emitted through the light guide plate, so that there is no dark area on the display screen of the electronic organ and the display function is clear.

[0007] Preferably, the surface of the light guide plate and the end far from the light-emitting surface are wrapped with bright silver dragon.

[0008] Preferably, a reflective sheet is arranged on the surface of the light guide plate and a diffusion film is arranged on the surface of the reflective sheet.

[0009] Preferably, the two pins are respectively a positive electrode and a negative electrode.

[0010] Preferably, a protective film is pasted on the surface of the light guide plate and one end of the protective film is connected with a protective film pull handle.

[0011] Preferably, the thickness of the light guide plate is.mm.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: By installing the light guide plate at the bottom of the display screen of the electronic piano, and inserting two pins at one end of the light guide plate. After correctly installing and connecting the power supply to the two pins, the LED through-hole lamp beads emit light. The light emitted by the lamp beads is diffused in various angles through the light guide plate, and finally the light is reflected from the reflector on the surface of the light guide plate to the display screen, thereby improving the brightness and uniformity of the light, and providing backlight illumination for the display screen through the light reflected onto the display screen. When the reflector reflects the light onto the display screen, the diffusion film can further uniform the light, eliminate the light spot, making the light reflected onto the display screen have a better effect. By providing bright illumination on the back of the display screen, when the electronic piano works in a weak indoor light environment, through the bright illumination on the back of the display screen, the function indication of the display screen can be clearly visible, so that regardless of whether the indoor light is strong or weak, it will not affect the data displayed on the display screen when playing the piano. And by connecting one LED lamp bead to two pins to provide a light source for the light guide plate, it is both energy-saving and low-power consumption, thus reducing the maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is a schematic structural diagram of the back of the present utility model;

[0015] Figure 3 is a cross-sectional view of the present utility model;

[0016] Figure 4 is a circuit diagram of the lamp beads of the present utility model.

[0017] In the figure: 1. Light guide plate; 2. Aluminum foil paper; 3. Light-emitting bread; 4. Lamp beads; 5. Pins; 6. Bright silver dragon; 7. Reflector; 8. Diffusion film; 9. Protective film; 10. Protective film pull handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] The present utility model provides a low-power backlight source applied to an electronic piano display screen as shown in Figures 1-4 and includes:

[0020] Light guide plate 1, the side of the light guide plate 1 is wrapped with aluminum foil paper 2, and the aluminum foil paper 2 can play the role of preventing light leakage and protecting the light guide plate 1, so as to enhance the service life of the light guide plate 1. One end of the light guide plate 1 is provided with a light-emitting surface 3, and the light-emitting surface 3 is bent to the back of the light guide plate 1 to shade the light guide plate 1, so that one end of the light guide plate 1 is light-impermeable;

[0021] Light-emitting diodes 4, the light-emitting diodes 4 are arranged on the back of the light guide plate 1. Two pins 5 are arranged at one end of the light guide plate 1, and the pins 5 are electrically connected to the light-emitting diodes 4. The light source of the light-emitting diodes 4 is evenly emitted through the light guide plate 1, so that there is no dark area on the display screen of the electronic keyboard and the display function is clear.

[0022] One end of the light guide plate 1 away from the light-emitting surface 3 is wrapped with bright silver dragon 6. The bright silver dragon 6 is a material with high brightness and light impermeability, which mainly shades one end of the light guide plate 1, thereby improving the display effect of the display screen.

[0023] A reflector 7 is arranged on the surface of the light guide plate 1, and a diffusion film 8 is arranged on the surface of the reflector 7. The diffusion film 8 can further evenly distribute the light and eliminate the light spots, so that the light effect reflected on the display screen is better.

[0024] The two pins 5 are the positive electrode and the negative electrode respectively.

[0025] A protective film 9 is pasted on the surface of the light guide plate 1, and one end of the protective film 9 is connected with a protective film pull handle 10. The protective film 9 can protect its surface from being scratched, and at the same time prevent dust from adhering. When installing the light guide plate 1, the protective film 9 can be torn off from the surface of the light guide plate 1 through the protective film pull handle 10.

[0026] The thickness of the light guide plate 1 is 2.2 mm, which is ultra-thin, light and easy to use.

[0027] The low-power backlight source on the display screen of the application electronic organ is achieved by installing the light guide plate 1 at the bottom of the display screen of the electronic organ. At one end of the light guide plate 1, two pins 5 are installed in a plug-in manner. After the two pins 5 are correctly installed and powered on, the LED lamp beads 4 emit light. The light emitted by the lamp beads 4 diffuses the light in various angles through the light guide plate 1. Finally, the light is reflected from the reflector 7 on the surface of the light guide plate 1 to the display screen, thereby improving the brightness and uniformity of the light, and providing backlight illumination for the display screen through the light reflected on the display screen. When the reflector 7 reflects the light to the display screen, the diffusion film 8 can further uniform the light, eliminate the light spot, and make the light reflected on the display screen have a better effect. By providing bright illumination on the back of the display screen, when the electronic organ works in a weak indoor light condition, through the bright illumination on the back of the display screen, uniform and bright light can be provided, making the images and texts on the display screen clearer and more distinct, improving the readability and visibility, enabling the performer to accurately see the information on the display screen under various light conditions, and thus enhancing the applicability of the electronic organ in different usage scenarios;

[0028] Moreover, one LED lamp bead 4 is electrically connected to two pins 5 to provide a light source for the light guide plate 1, which is both energy-saving and low-power consumption, thus reducing the maintenance cost.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A low-power backlight source for an electronic piano display screen, characterized in that: include: A light guide plate (1), wherein the side of the light guide plate (1) is wrapped with aluminum foil (2), and a luminous bread (3) is provided at one end of the light guide plate (1), and the luminous bread (3) is bent to the back of the light guide plate (1) to shield the light guide plate (1), so that one end of the light guide plate (1) is not transparent; A lamp bead (4) is arranged on the back of a light guide plate (1); one end of the light guide plate (1) is provided with two pins (5) and the pins (5) are electrically connected to the lamp bead (4); the light source of the lamp bead (4) is uniformly illuminated through the light guide plate (1) so that the display screen of the electronic keyboard has no dark areas.

2. The low-power backlight source for use on an electronic piano display screen according to claim 1, characterized in that: A bright silver dragon (6) is wrapped on the surface of the light guide plate (1) and at one end away from the light-emitting bread (3).

3. The low-power backlight source for use on an electronic piano display screen according to claim 1, characterized in that: A reflective sheet (7) is provided on the surface of the light guide plate (1), and a diffusion film (8) is provided on the surface of the reflective sheet (7).

4. The low-power backlight source for use on an electronic piano display screen according to claim 1, characterized in that: The two pins (5) are positive and negative.

5. The low-power backlight source for use on an electronic piano display screen according to claim 1, characterized in that: A protective film (9) is adhered to the surface of the light guide plate (1), and one end of the protective film (9) is connected to a protective film handle (10).

6. The low-power backlight source for use on an electronic piano display screen according to claim 1, characterized in that: The thickness of the light guide plate (1) is 2.2 mm.

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