CN218936088U

CN218936088U - Mini LED backlight source structure for realizing high brightness

Info

Publication number: CN218936088U
Application number: CN202221551872.3U
Authority: CN
Inventors: 胡俊
Original assignee: Xiamen Honghan Optoelectronics Technology Co ltd
Current assignee: Xiamen Honghan Optoelectronics Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-04-28
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a MiniLED backlight source structure for realizing high brightness, which comprises an LED lamp source device and a light diffusion device, wherein the light diffusion device is positioned above the LED lamp source device, the positions of the LED lamp source device and the light diffusion device are mutually corresponding, the light diffusion device comprises a light diffusion plate body, a light collecting plate and a light transmitting plate, the positions among the light diffusion plate body, the light collecting plate and the light transmitting plate are mutually corresponding, the light collecting plate is positioned at the lowest part, the light diffusion plate body is fixedly arranged on the upper end face of the light collecting plate, and the light transmitting plate is fixedly arranged on the upper end face of the light diffusion plate body. The utility model has the beneficial effects that: through setting up light collecting plate, light-transmitting plate, light guide point and sand grip for the device accessible light collecting plate, light-transmitting plate, light guide point, the mutually supporting of sand grip can integrate, disperse the light source of LED lamp light source device department, thereby make the dispersion angle of light more stable, even, and then make the formation of image of light more clear, luminance higher.

Description

Mini LED backlight source structure for realizing high brightness

Technical Field

The utility model relates to a Mini LED backlight source structure, in particular to a Mini LED backlight source structure for realizing high brightness.

Background

With the increasing demands of the electronic display device market for ultra-thin, high screen duty cycle and high color saturation, miniLED backlights with zero side width and 100% color saturation have been developed. MiniLED is also called as a sub-millimeter light emitting diode, the size of the MiniLED is generally 80-200 micrometers, the MiniLED is a new generation of LED technology, the characteristics of high efficiency, high reliability, high brightness and quick response time of small-spacing LEDs are accepted, and the power consumption and the cost of the small-spacing LEDs are lower. At present, the existing Mini LED backlight source structure generally distributes Mini LED lamplight directly through a light diffusion plate, so that the direct light distribution easily leads to a large light source diffusion angle and causes imaging blurring and lower brightness.

Therefore, based on the above problems, we have designed such a Mini LED backlight structure for achieving high brightness to solve the above problems.

Disclosure of Invention

The utility model aims to provide a Mini LED backlight source structure for realizing high brightness, which aims to solve the problems that the existing Mini LED backlight source structure in the prior art generally disperses Mini LED lamplight directly through a light diffusion plate, so that the dispersion of the direct light easily leads to the large light source diffusion angle and the imaging blurring and the low brightness.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a realize Mini LED backlight structure of hi-lite, includes LED lamp source device and light diffusion device, light diffusion device is located the top of LED lamp source device, and LED lamp source device corresponds with light diffusion device's position each other, light diffusion device includes light diffusion plate body, light collecting plate, printing opacity board, the position between light diffusion plate body, light collecting plate, the printing opacity board corresponds each other, the light collecting plate is located the below, light diffusion plate body fixed mounting is in the up end of light collecting plate, printing opacity board fixed mounting is in the up end of light diffusion plate body, the lower terminal surface of light collecting plate is equipped with the light guide point, the light guide point is equipped with a plurality ofly, a plurality of light guide point equidistant in proper order, the up end of printing opacity board is equipped with the sand grip, the sand grip is equipped with a plurality of sand grip, a plurality of equidistant in proper order.

Preferably, the LED lamp source device comprises a mounting base, a bottom plate and an LED lamp body, wherein the mounting base is located at the lowest position, and the bottom plate is fixedly arranged on the upper end face of the mounting base.

Preferably, the LED lamp body is equipped with a plurality of, and is a plurality of LED lamp body fixed mounting is at the up end of bottom plate, and a plurality of LED lamp body equidistant arranging in proper order, the upper and lower both ends face of transparent connecting plate laminate mutually with a plurality of light guide points, a plurality of LED lamp body respectively.

Preferably, the light guide points are integrated with the light collecting plate through die hot press molding or injection molding, and the convex strips are integrated with the light transmitting plate through compression roller hot press molding.

Preferably, the power of the LED lamp bodies is the same, and the power of the LED lamp bodies is the same.

Preferably, the light diffusion plate body, the light collecting plate, the light transmitting plate, the mounting base, the bottom plate and the LED lamp body are arranged in a straight line.

In the technical scheme, the utility model has the technical effects and advantages that:

according to the LED light source device, the light collecting plate, the light transmitting plate, the light guide points and the raised strips are arranged, so that when the LED light source device is used, the light source at the LED light source device firstly irradiates on the light collecting plate, the light collecting plate integrates light on the light diffusing plate body through the light guide points on the lower end face of the light collecting plate, the light integrated on the light diffusing plate body irradiates on the light transmitting plate again, the light transmitting plate disperses the light through the convex blocks on the upper end face of the light transmitting plate, and the light is projected on the projection device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the present utility model.

Fig. 3 is a split view of the present utility model.

Fig. 4 is a split view of the present utility model.

Reference numerals illustrate:

1. LED lamp source device; 101. a mounting base; 102. a bottom plate; 103. an LED lamp body; 2. a light diffusing device; 201. a light diffusion plate body; 202. a light collecting plate; 203. a light-transmitting plate; 3. a light guide point; 4. a convex strip; 5. and a transparent connecting plate.

Detailed Description

The utility model provides a Mini LED backlight structure for realizing high brightness as shown in figures 1-4, which comprises an LED lamp source device 1 and a light diffusion device 2, wherein the light diffusion device 2 is positioned above the LED lamp source device 1, the positions of the LED lamp source device 1 and the light diffusion device 2 are mutually corresponding, the light diffusion device 2 comprises a light diffusion plate body 201, a light collecting plate 202 and a light transmitting plate 203, the positions of the light diffusion plate body 201, the light collecting plate 202 and the light transmitting plate 203 are mutually corresponding, the light collecting plate 202 is positioned at the lowest part, the light collecting plate 201 is fixedly arranged on the upper end face of the light collecting plate 202, the light transmitting plate 203 is fixedly arranged on the upper end face of the light diffusion plate body 201, the lower end face of the light collecting plate 202 is provided with a plurality of light guide points 3, the light guide points 3 are sequentially arranged at equal intervals, the upper end face of the light transmitting plate 203 is provided with a plurality of convex strips 4, and the convex strips 4 are sequentially arranged at equal intervals, compared with the traditional device, and the light collecting plate 202 can be more clearly integrated with the light source device, and the LED backlight device can realize uniform brightness and more stable LED light source 1, and more stable LED light source dispersion.

Further, in the above technical scheme, be equipped with transparent connecting plate 5 between including LED lamp source device 1 and light diffusion device 2, LED lamp source device 1 includes installation base 101, bottom plate 102, LED lamp body 103, installation base 101 is located the below, bottom plate 102 fixed mounting is at the up end of installation base 101, LED lamp body 103 is equipped with a plurality ofly, a plurality of LED lamp body 103 fixed mounting is at the up end of bottom plate 102 to a plurality of LED lamp body 103 equidistant arrange in proper order, the upper and lower both ends face of transparent connecting plate 5 is laminated with a plurality of light guide points 3, a plurality of LED lamp body 103 respectively, and transparent connecting plate 5 plays the effect of being in the same place bottom plate 102 and light collecting plate 202, and installation base 101 plays the fixed action to bottom plate 102, and bottom plate 102 plays the effect to LED lamp body 103 is fixed, and LED lamp body 103 plays the effect that provides the light source.

Further, in the above technical solution, the light guide points 3 are formed by hot pressing or injection molding with the light collecting plate 202 into an integral structure, the convex strips 4 are formed by hot pressing with the light transmitting plate 203 into an integral structure, the powers of the LED lamp bodies 103 are the same, the sizes of the LED lamp bodies 103 are the same, the light diffusion plate 201, the light collecting plate 202, the light transmitting plate 203, the mounting base 101, the bottom plate 102 and the LED lamp bodies 103 are arranged in a straight line, and the connection effect of the light guide points 3 and the light collecting plate 202 as well as the convex strips 4 and the light transmitting plate 203 is better due to the use of hot pressing or injection molding.

Principle of operation

The implementation mode specifically comprises the following steps: when the device is needed to be used by a user, the user firstly checks whether the device is damaged or not, if the device is replaced timely, the device can be used normally or not, when the device is used, a light source at the LED lamp source device 1 is firstly irradiated on the light collecting plate 202, the light collecting plate 202 integrates light on the light diffusion plate body 201 through the light guide point 3 at the lower end face of the light collecting plate 202, the light integrated on the light diffusion plate body 201 is irradiated on the light transmitting plate 203 again, and the light is dispersed by the light transmitting plate 203 through the convex strips 4 at the upper end face of the light transmitting plate 203, so that the light is projected on the projection device.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The Mini LED backlight source structure for realizing high brightness comprises an LED lamp source device (1) and a light diffusion device (2), and is characterized in that: the LED light source device comprises a light diffusion plate body (201), a light collecting plate (202) and a light transmitting plate (203), wherein the light diffusion device (2) is located above the LED light source device (1), the positions of the LED light source device (1) and the light diffusion device (2) correspond to each other, the light diffusion plate body (201), the light collecting plate (202) and the light transmitting plate (203) correspond to each other in position, the light collecting plate (202) is located at the lowest position, the light diffusion plate body (201) is fixedly installed on the upper end face of the light collecting plate (202), the light transmitting plate (203) is fixedly installed on the upper end face of the light diffusion plate body (201), light guide points (3) are arranged on the lower end face of the light collecting plate (202), the light guide points (3) are arranged in a plurality, the light guide points (3) are arranged at equal intervals in sequence, raised strips (4) are arranged on the upper end face of the light transmitting plate (203), and the raised strips (4) are arranged at equal intervals in sequence.

2. The Mini LED backlight structure for achieving high brightness according to claim 1, wherein: the LED lamp source device comprises an LED lamp source device (1) and a light diffusion device (2), wherein a transparent connecting plate (5) is arranged between the LED lamp source device (1), the LED lamp source device (1) comprises a mounting base (101), a bottom plate (102) and an LED lamp body (103), the mounting base (101) is located at the lowest position, and the bottom plate (102) is fixedly arranged on the upper end face of the mounting base (101).

3. The Mini LED backlight structure for achieving high brightness according to claim 2, wherein: the LED lamp comprises a plurality of LED lamp bodies (103), wherein the LED lamp bodies (103) are fixedly arranged on the upper end face of a base plate (102), the LED lamp bodies (103) are arranged at equal intervals in sequence, and the upper end face and the lower end face of a transparent connecting plate (5) are respectively attached to a plurality of light guide points (3) and a plurality of LED lamp bodies (103).

4. The Mini LED backlight structure for achieving high brightness according to claim 1, wherein: the light guide points (3) are integrated with the light collecting plate (202) through die hot press molding or injection molding, and the convex strips (4) are integrated with the light transmitting plate (203) through compression roller hot press molding.

5. The Mini LED backlight structure for achieving high brightness according to claim 2, wherein: the power of a plurality of LED lamp bodies (103) is the same, and the sizes of a plurality of LED lamp bodies (103) are also the same.

6. The Mini LED backlight structure for achieving high brightness according to claim 2, wherein: the LED lamp comprises a light diffusion plate body (201), a light collecting plate (202), a light transmitting plate (203), a mounting base (101), a bottom plate (102) and an LED lamp body (103) which are arranged in a straight line.