CN219475950U

CN219475950U - Novel balanced backlight plate

Info

Publication number: CN219475950U
Application number: CN202223345561.4U
Authority: CN
Inventors: 闵加胜; 徐鑫
Original assignee: Xiamen Xiezhuo Technology Co ltd
Current assignee: Xiamen Xiezhuo Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-08-04
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to the technical field of backlight plates, and discloses a novel balanced backlight plate, which comprises: frame, reflecting plate, light guide plate, diffuser plate, prism board, protection shield and LED lamp plate are all installed in the frame, and the upper surface of reflecting plate is equipped with the light guide plate, and the upper surface of light guide plate is equipped with the diffuser plate, is provided with the LED lamp plate on the side surface of light guide plate, and the setting of LED lamp plate is between light guide plate and corresponding frame, and the upper surface of diffuser plate is equipped with the prism board, and the upper surface of prism board is equipped with the protection shield. By designing the backlight plate, display balance is realized, bright display can be realized when the number of light sources (LED lamp beads) is reduced, the cost is reduced, the resources are saved, the display effect is improved, and the like; light rays from the diffusion plate are trimmed and compensated on the prism face, so that the uniformity of the light is further improved; light from the light source is transmitted to a distance and uniformly lightened through multi-stage refraction and scattering.

Description

Novel balanced backlight plate

Technical Field

The utility model relates to the technical field of backlight plates, in particular to a novel balanced backlight plate.

Background

Along with rapid development of technology, electronic products gradually lead the trend of the times, and many electronic products are deep into the lives of people and play different roles in the lives of people. The liquid crystal display is widely applied as electronic display, people use the liquid crystal display to display pictures, characters and the like, the liquid crystal display is a planar ultrathin display device, the liquid crystal display consists of a certain number of color or black and white pixels, is placed in front of a light source or a reflecting surface and is used for displaying objects and the like, and the liquid crystal display has lower power consumption and is favored by people. However, the existing liquid crystal display screen has some problems that the display brightness of the liquid crystal display screen is relatively dark, the display brightness is uneven, the light source is extremely bright, the light source is dark far away, the effect of displaying objects is poor, sometimes the brightness of people needs to be increased, the light source needs to be increased, once the light source is increased, high cost is brought, and energy consumption and resource waste are increased.

Accordingly, the existing display screen (backlight) has to be further improved in view of the above problems.

Disclosure of Invention

The utility model aims to solve the problems of uneven display, darker display, higher cost, resource waste, poor using effect and the like of the traditional display screen (backlight plate). Through rationalizing the design of the display screen (backlight plate), the display balance can be realized by adopting the frame, the reflecting plate, the light guide plate, the diffusion plate, the prism plate, the protection plate and the LED lamp panel, and when the number of light sources (LED lamp beads) is reduced, the display brightness can be realized, the cost is reduced, the resources are saved, the display effect is improved, and the like; by adopting the vertical matching of the first prism plate and the second prism plate and combining the trapezoid grating structure, the light rays from the diffusion plate can be trimmed and compensated on the prism face, and the uniformity of the light is further improved; the light guide plate with gradually increasing convex prisms can realize that light of the light source propagates to a far distance and is uniformly lightened through multistage refraction and scattering; by adopting the transmitting plate, the leakage of the light source can be avoided, the utilization of light can be greatly enhanced, and the like.

The technical scheme of the utility model is as follows:

a novel balanced backlight, the balanced backlight comprising: frame, reflecting plate, light guide plate, diffuser plate, prism board, protection shield and LED lamp plate are all installed in the frame, the upper surface of reflecting plate is equipped with the light guide plate, the upper surface of light guide plate is equipped with the diffuser plate, be provided with on the side surface of light guide plate the LED lamp plate, just the LED lamp plate sets up between light guide plate and the corresponding frame, the upper surface of diffuser plate is equipped with the prism board, the upper surface of prism board is equipped with the protection shield.

Further, the LED lamp panel is electrically connected with a patch type LED lamp bead.

Further, the patch type LED lamp beads are equally distributed on the LED lamp panel.

Further, two end parts of the LED lamp panel are electrically connected with an external power supply.

Further, the upper surface of the light guide plate is provided with a raised prism.

Further, the raised prisms are distributed on the upper surface of the light guide plate in an array manner.

Further, the raised prisms gradually increase from being close to the LED lamp panel to being far away from the LED lamp panel.

Further, the protruding prism gradually increases from being close to the LED lamp bead to being far away from the LED lamp bead.

Further, the prism plate comprises a first prism plate and a second prism plate, the first prism plate is arranged on the upper surface of the diffusion plate, the second prism plate is arranged on the upper surface of the first prism plate, and the upper surfaces of the first prism plate and the second prism plate are all in grating structures.

Further, the grating structure of the first prism plate and the grating structure of the second prism plate are arranged vertically; it can be seen that: the grating structure of the first prism plate is in the X-axis direction, and the grating structure of the second prism plate is in the Y-axis direction.

Further, the grating structure of the first prism plate and the grating structure of the second prism plate are both trapezoid grating structures.

Further, the number of the patch type LED lamp beads is at least two.

Further, the protection plate is selected from PE (polyethylene) protection plate, PET (polyethylene terephthalate) protection plate or CPP (cast polypropylene) protection plate.

Further, the frame is made of plastic.

Further, the frame, the reflecting plate, the light guide plate, the diffusion plate, the prism plate and the protection plate are all square.

Further, the reflecting plate, the light guide plate, the diffusion plate, the prism plate and the protection plate are connected by adopting adhesive glue for adhesion.

Advantageous effects

The utility model adopts the frame, the reflecting plate, the light guide plate, the diffusion plate, the prism plate, the protection plate and the LED lamp panel to realize balanced display, and can realize bright display, reduce cost, save resources, improve display effect and the like when the number of light sources (LED lamp beads) is reduced; by adopting the vertical matching of the first prism plate and the second prism plate and combining the trapezoid grating structure, the light rays from the diffusion plate can be trimmed and compensated on the prism face, and the uniformity of the light is further improved; the light guide plate with gradually increasing convex prisms can realize that light of the light source propagates to a far distance and is uniformly lightened through multistage refraction and scattering; by adopting the transmitting plate, the leakage of the light source can be avoided, the utilization of light can be greatly enhanced, and the like. The backlight plate can be widely applied to the display field.

Drawings

Fig. 1 is a schematic diagram of a layered structure of a novel balanced backlight plate according to the present utility model.

Fig. 2 is a schematic view of a light guide plate structure of a novel balanced backlight plate according to the present utility model.

Fig. 3 is a schematic view of a first prism sheet structure of a novel balanced backlight of the present utility model.

Fig. 4 is a schematic diagram of a second prism sheet structure of a novel balanced backlight of the present utility model.

Reference numerals: 01. a protective plate; 02. a second prism plate; 03. a first prism plate; 04. a diffusion plate; 05. a light guide plate; 06. a reflection plate; 07. an LED lamp panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a novel equalizing backlight plate, which includes: the LED lamp comprises a frame (not shown in the figure), a reflecting plate 06, a light guide plate 05, a diffusion plate 04, a prism plate, a protection plate 01 and an LED lamp plate 07, wherein the frame, the reflecting plate 06, the light guide plate 05, the diffusion plate 04, the prism plate and the protection plate 01 are all rectangular, the reflecting plate 06, the light guide plate 05, the diffusion plate 04, the prism plate, the protection plate 01 and the LED lamp plate 07 are all arranged in the frame, the frame is made of plastic materials, the upper surface of the reflecting plate 06 is provided with the light guide plate 05, the upper surface of the light guide plate 05 is provided with raised prisms which are distributed on the upper surface of the light guide plate 06 in an array mode, the raised prisms gradually increase from being close to the LED lamp beads to being far from the LED lamp beads, and show a gradual increasing effect, the upper surface of the light guide plate 05 is provided with the diffusion plate 04, the side surface of the light guide plate 05 is provided with the LED lamp plate 07, the LED lamp beads are arranged between the light guide plate 05 and the corresponding frame, the LED lamp beads are electrically connected with the two patch type LED lamp beads, the patch type LED lamp beads are uniformly distributed on the LED lamp plates 06, the end parts of the LED lamp plates 07 are electrically connected with the light guide plate 04, the end parts of the LED lamp beads are electrically connected with the light guide plate 04, the light guide plate 01 are electrically connected with the light guide plate 01, and the PE lamp panel 01 is connected with the light guide plate 01, and the light guide plate 01 is pasted with the light guide plate 01;

wherein, the prism board includes first prism board 03 and second prism board 02, and the upper surface of diffuser plate 04 is equipped with first prism board 03, and the upper surface of first prism board 03 is equipped with second prism board 02, and the upper surface of first prism board 03 and second prism board 02 is the grating structure, and the grating structure of this first prism board 03 and the grating structure of second prism board 02 are mutually perpendicular setting, can regard as: the grating structure of the first prism plate is in the X-axis direction, and the grating structure of the second prism plate is in the Y-axis direction; the grating structure of the first prism sheet 03 and the grating structure of the second prism sheet 02 are both trapezoidal grating structures.

The utility model has the concrete implementation principle that: mounting an LED lamp panel on the inner side of one side edge of a frame, adhering a reflecting plate (reflecting film) on the lower surface of the light guide plate, adhering a diffusion plate (diffusion film) on the upper surface of the light guide plate, adhering a first prism plate on the upper surface of the diffusion plate (diffusion film), adhering a second prism plate on the upper surface of the first prism plate, adhering a protective plate (protective film) on the upper surface of the second prism plate, and then placing the integrally adhered plate on the frame, wherein the LED lamp panel corresponds to the light guide plate; light of the LED lamp panel is guided and scattered through the light guide plate and the protruding prisms, different protruding prisms can play different reflection and refraction effects on the light, and then the light guide plate is lightened uniformly everywhere, the light is enhanced through the reflection of the reflection plate, the light is diffused on the diffusion plate, the light is further homogenized and propagated out of the protection plate through the cooperation of the first prism plate and the second prism plate, and the balanced backlight plate is lightened.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel balanced backlight, the balanced backlight comprising: frame, reflecting plate, light guide plate, diffuser plate, prism board, protection shield and LED lamp plate are all installed in the frame, the upper surface of reflecting plate is equipped with the light guide plate, the upper surface of light guide plate is equipped with the diffuser plate, be provided with on the side surface of light guide plate the LED lamp plate, just the LED lamp plate sets up between light guide plate and the corresponding frame, the upper surface of diffuser plate is equipped with the prism board, the upper surface of prism board is equipped with the protection shield.

2. The novel balanced backlight of claim 1, wherein the LED light panels are electrically connected with patch-type LED light beads.

3. The novel balanced backlight according to claim 1, wherein the upper surface of the light guide plate is provided with a convex prism.

4. A novel balanced backlight according to claim 3, wherein the raised prisms are arranged in an array on the upper surface of the light guide plate.

5. The novel balanced backlight of claim 4, wherein the raised prisms taper from near the LED lamp panel to far from the LED lamp panel.

6. The novel balanced backlight of claim 4, wherein the prism sheet comprises a first prism sheet and a second prism sheet, wherein the first prism sheet is disposed on the upper surface of the diffuser, the second prism sheet is disposed on the upper surface of the first prism sheet, and the upper surfaces of the first prism sheet and the second prism sheet are both in a grating structure.

7. The novel balanced backlight according to claim 2, wherein the number of the surface mount LED lamp beads is at least two.

8. The novel balanced backlight according to claim 1, wherein the protective plate is a PE protective plate, a PET protective plate or a CPP protective plate.

9. The novel balanced backlight according to claim 8, wherein the frame is made of plastic.

10. The novel balanced backlight according to claim 1, wherein the frame, the reflection plate, the light guide plate, the diffusion plate, the prism plate and the protection plate are all square.