Equipment for eliminating lattice point perspective in module state

By setting microstructure plates and specific dot arrangements on the light guide plate, the problem of visible dots in ultra-thin, ultra-transparent, and low-cost backlight modules is solved, achieving uniform light distribution and uniform dot arrangement.

CN223501195UActive Publication Date: 2025-10-31苏州市商祺光电有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423148874.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-10-31
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing dot-viewing devices in the state of dot elimination have difficulty solving the dot visibility problem in ultra-thin, ultra-transparent, and low-cost backlight module designs.

Method used

A microstructure plate is set on the light guide plate, and the dots are in the shape of isosceles triangles. Through specific angle and spacing design, combined with the reflection unit, uniform light distribution and uniform dot arrangement are achieved, eliminating the perspective phenomenon.

Benefits of technology

It achieves uniform light distribution and uniform dot arrangement in an ultra-thin, ultra-transparent, and low-cost backlight module, eliminating the dot perspective problem and meeting design requirements.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223501195U_ABST
    Figure CN223501195U_ABST
Patent Text Reader

Abstract

The utility model provides a device for eliminating lattice point perspective in a module state, relates to the technical field of printing light guide plates, and aims to solve the problem that lattice points of an ink printing light guide plate are visible in ultrathin, ultra-transparent and low-cost backlight module design. A microstructure plate is arranged on the light guide plate and serves as a light source to provide backlight, and circle center connecting lines of adjacent three lattice points form an isosceles triangle structure. Light rays emitted by the LED light source lamp beads enter the light guide plate through the light incoming surface, are guided by the lattice points, are refracted by the microstructure plate for multiple times, and are uniformly emitted out of the light outgoing surface, so that the spacing size of the lattice points in the X direction of the light guide plate is increased, and the spacing size of the lattice points in the Y direction is synchronously reduced; the design requirement of the backlight module is met under the condition that the original density ratio is guaranteed, net points are evenly distributed after multiple times of refraction through the microstructure plate, and light atomization reflection is better facilitated; the effect of uniform light distribution is ensured, and lattice point perspective is eliminated through a specific arrangement angle.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of printed light guide plate technology, and more specifically, it relates to a dot-perspective device for eliminating halftone dots in a module state. Background Technology

[0002] The current design trend of printed light guide plates is increasingly leaning towards ultra-thinness, ultra-lightness, high brightness, and low cost. As a result, industry customers have placed higher demands on light guide plate design. In many ultra-thin and ultra-transparent module designs, the dot projection of light guide plates has become a major challenge for the industry. The ink printing process of light guide plates faces fierce competition from new light guide plate processing technologies such as hot rolling and laser engraving. Due to the limitations of printing technology, the dots on printed light guide plates are inevitably larger than those of hot rolling and laser engraving technologies.

[0003] When existing dot-perspective devices in a similar dot-elimination module state are in use, the angle between the centers of two adjacent dots is 60 degrees, and the line connecting the centers of three adjacent dots forms an equilateral triangle structure. Originally, a single dot will undergo 5 refractions after passing through the microstructure light guide plate. Originally, a single ink dot with a diameter of 0.42mm becomes 5 small vertical dots after several refractions. The size in the Y direction increases by 17%, and the size in the X direction increases by 132% to 0.976mm. The distance between two adjacent dots in the X direction is 0.9mm. The equilaterally distributed dots will appear as a linear distribution. This is the problem of dot visibility in ultra-thin, ultra-transparent, and low-cost backlight module designs using ink-printed light guide plates. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a device for eliminating dot visibility in the module state, thereby resolving the issue of visible dots in existing similar ink-printed light guide plates for ultra-thin, ultra-transparent, and low-cost backlight module designs.

[0005] The present invention provides a dot-matrix perspective device for eliminating halftone dots in a modular state, achieved through the following specific technical means:

[0006] A device for eliminating halftone dots in a modular state, comprising a light guide plate;

[0007] The light guide plate is provided with a microstructure plate, which is the main structure for light transmission. The dots have the same diameter. Dots are also spaced apart on the microstructure plate. A reflection unit is provided on the microstructure plate. The two ends of the light guide plate are the light-incident surface and the light-exit surface, respectively. An LED light source bead is provided on the light-incident surface of the light guide plate to provide backlight. The line connecting the centers of three adjacent dots forms an isosceles triangle structure.

[0008] In at least some embodiments, the spacing between the dots is 0.9 mm, and the dots are arranged in a linear pattern.

[0009] In at least some embodiments, the structural diameter of the dots is 0.3 mm, and the angle between the centers of two adjacent dots is 30 degrees.

[0010] In at least some embodiments, the light guide plate is a glass light guide plate.

[0011] In at least some embodiments, the reflective units on the microstructure plate are equidistant array V-shaped structure plates.

[0012] In at least some embodiments, the light guide plate is located below the dots, and the microstructure plate covers the dots.

[0013] In at least some embodiments, the dots are processed onto the microstructure plate using an ink printing process.

[0014] Compared with the prior art, the halftone viewing device for eliminating halftone dots in the module state of this utility model has the following beneficial effects:

[0015] The dot arrangement facilitates the entry of light emitted from LED light sources into the light guide plate through the incident surface. After being guided by the dots, the light is refracted multiple times by the microstructure plate and then uniformly emitted from the emitting surface. This invention adapts to the backlight module design requirements while maintaining the original density ratio by increasing the dot spacing in the X direction of the light guide plate and simultaneously decreasing the dot spacing in the Y direction. The dot arrangement angle of this invention results in a uniform dot distribution after multiple refractions by the microstructure plate, which is more conducive to light atomization and reflection. This ensures a uniform light distribution effect and eliminates dot visibility through the specific arrangement angle. This solves the problem of dot visibility in ultra-thin, ultra-transparent, and low-cost backlight module designs using ink-printed light guide plates. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the dot pattern design of this utility model.

[0017] Figure 2 This is a schematic diagram of the network setup for this utility model.

[0018] Figure 3 This is a schematic diagram showing the state of the dots after multiple refractions by the microstructure plate of this utility model.

[0019] Figure 4 This is a schematic diagram of the structure of this utility model.

[0020] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0021] 1. Light guide plate; 2. Dot pattern; 3. Microstructure plate; 4. LED light source beads. Detailed Implementation

[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0023] As attached Figure 1 To be continued Figure 4 As shown:

[0024] Example 1: This utility model provides a halftone viewing device for eliminating halftone dots in a module state, including a light guide plate 1;

[0025] A microstructure plate 3 is provided on the light guide plate 1. The light guide plate 1 is the main structure for light transmission. The dots 2 have the same diameter. Dots 2 are also spaced apart on the microstructure plate 3. A reflection unit is provided on the microstructure plate 3. The two ends of the light guide plate 1 are the light-incident surface and the light-exit surface, respectively. An LED light source bead 4 is provided on the light-incident surface of the light guide plate 1 to provide backlight. The line connecting the centers of three adjacent dots 2 forms an isosceles triangle structure.

[0026] Dots 2 are processed onto the microstructure plate 3 using ink printing. The diameter of dot 2 is 0.3mm, the angle between the centers of two adjacent dots 2 is 30 degrees, the spacing between dots 2 is 0.9mm, and the dots 2 are distributed linearly. Specifically, the light emitted by the LED light source beads 4 enters the light guide plate 1 through the light incident surface, is guided by the dots 2, and after multiple refractions by the microstructure plate 3, is uniformly emitted from the light emitting surface. This invention increases the spacing of dots 2 in the X direction of the light guide plate 1 while simultaneously decreasing the spacing of dots 2 in the Y direction, thus adapting to the backlight module design requirements while maintaining the original density ratio. The arrangement angle of the dots 2 in this invention, after multiple refractions by the microstructure plate 3, presents a uniform distribution of dots 2, which is more conducive to light atomization and reflection. This ensures the effect of uniform light distribution and eliminates the visibility of dots 2 through a specific arrangement angle. This solves the problem of visible dots 2 in the ultra-thin, ultra-transparent, and low-cost backlight module design using ink-printed light guide plate 1.

[0027] Example 2: Based on Example 1, the light guide plate 1 is located below the dot 2, the microstructure plate 3 covers the dot 2, the reflective unit on the microstructure plate 3 is an equidistant array of V-shaped structure plates, and the light guide plate 1 is a glass light guide plate 1.

[0028] The specific usage and function of this embodiment are as follows:

[0029] In use, this utility model increases the spacing of the dots 2 in the X direction of the light guide plate 1 while simultaneously decreasing the spacing of the dots 2 in the Y direction. This allows it to meet the design requirements of the backlight module while maintaining the original density ratio. The arrangement angle of the dots 2 in this utility model results in a uniform distribution of dots 2 after multiple refractions by the microstructure plate 3, which is more conducive to light atomization and reflection. This ensures the effect of uniform light distribution and eliminates the see-through of the dots 2 through a specific arrangement angle.

[0030] The following points should be noted in this article:

[0031] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in a general design.

[0032] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0033] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A dot-matrix elimination perspective device in a module state, characterized in that: Including light guide plate (1); The light guide plate (1) is provided with a microstructure plate (3). The light guide plate (1) is the main structure for light transmission. The dots (2) have the same diameter. The microstructure plate (3) is also provided with dots (2) at intervals. The microstructure plate (3) is provided with a reflection unit. The two ends of the light guide plate (1) are the light-incident surface and the light-outcident surface, respectively. The light-incident surface of the light guide plate (1) is provided with an LED light source bead (4) to provide backlight as a light source. The line connecting the centers of three adjacent dots (2) forms an isosceles triangle structure.

2. The dot-matrix elimination perspective device according to claim 1, characterized in that: The dots (2) are processed onto the microstructure plate (3) by ink printing process.

3. The dot-matrix elimination perspective device according to claim 1, characterized in that: The structural diameter of the dot (2) is 0.3 mm, and the angle between the centers of two adjacent dots (2) is 30 degrees.

4. The dot-matrix elimination perspective device according to claim 1, characterized in that: The reflective units on the microstructure plate (3) are equidistant array V-shaped structure plates.

5. The dot-matrix elimination perspective device according to claim 1, characterized in that: The spacing between the grid points (2) is: 0.9mm, and the dots (2) are distributed in a linear pattern.

6. The dot-matrix elimination perspective device according to claim 1, characterized in that: The light guide plate (1) is located below the dots (2), and the microstructure plate (3) covers the dots (2).

7. The dot-matrix elimination perspective device according to claim 1, characterized in that: The light guide plate (1) is a glass light guide plate (1).