CN207799122U

CN207799122U - A kind of LED picture quality enhancements film

Info

Publication number: CN207799122U
Application number: CN201721800960.1U
Authority: CN
Inventors: 郭滨刚; 屈立军; 蔡燕青
Original assignee: Shenzhen Guangke Holographic Technology Co Ltd
Current assignee: Shenzhen Guangke Holographic Technology Co Ltd
Priority date: 2017-12-21
Filing date: 2017-12-21
Publication date: 2018-08-31
Anticipated expiration: 2027-12-21

Abstract

The utility model is related to a kind of LED picture quality enhancements films, the film includes a substrate, substrate includes upper and lower surfaces, one layer of the coated on one side of substrate or multilayer optical waveguide layer, optical waveguide layer include lens particle similar in several grain sizes, and lens particle includes incidence surface and light-emitting surface, incidence surface is to be close to facing directly for substrate, light-emitting surface is the cambered surface of protrusion, and multiple bulge-structures are arranged together by cycle sequences, form ups and downs optical waveguide layer cambered surface.Implementing the advantageous effect of the technical solution of the utility model is：Increase LED screen colour developing area, realizes pixel puppet super resolution, improve the soft degree of light, keep imaged color vividly distinct, picture is clear, and in addition to this, which can also eliminate LED stroboscopic effects.

Description

A kind of LED picture quality enhancements film

Technical field

The utility model is related to optical projection field, especially a kind of LED picture quality enhancements film.

Background technology

LED screen is a kind of to be arranged and manufactured novel imaging electronics in order with light emitting diode.Due to its brightness High, the features such as visible angle is wide, long lifespan, just it is being widely used in the products such as outdoor advertisement screen.But existing LED screen image quality It is unintelligible, can only far see, can not close up, the limitation on color causes color allocation uneven, and non-be always on of light leads to light not Enough soft problems, see very big to eye irritation long, and picture is imaged in different angle viewing LED, and there are colors and bright for picture Degree is unevenly distributed, and the poor problem of the soft degree of light easily makes people generate feeling of fatigue, and imaging picture is unintelligible, resolution ratio Low, in addition to this, LED stroboscopic effects have stimulation to the vision system of people, influence the physiological hygiene and psychology of vision system Health, deteriorated vision.

Invention content

The utility model is related to a kind of LED picture quality enhancements film, which arranged by certain cycle sequences by lens It forms, is a kind of film product for having and LED capable of being imaged to picture quality enhancement, it is unintelligible to solve LED screen image quality, color allocation It is uneven, not soft enough the problem of light, moreover it is possible to eliminate LED stroboscopic effects, increase LED screen colour developing area and realize that pixel is pseudo- Super resolution is in LED imaging fields, in many cases, LED arrangement modes and LED screen self-technique in LED display Principle leads to it, and there are natural defects, i.e., can not completely eliminate the gap between display unit, while seeing in different angles See picture, color is extremely uneven, and image quality is unintelligible, and the soft degree of light of LED is also poor, and LED light source is imitated with stroboscopic It answers, LED stroboscopics have stimulation to the vision system of people, will produce uncomfortable feeling, people are for a long time under the light of flicker Work or life, it is also possible to influence the physiological hygiene and mental hygiene of vision system, deteriorated vision, for LED screen, on screen Luminous point be uniformly distributed, issue that light is uniform with homalographic, feeling of fatigue of the people in viewing is also lower.

The technical solution adopted in the utility model is a kind of LED picture quality enhancements film, which includes a substrate, base Bottom includes upper and lower surfaces, one layer of the coated on one side of substrate or multilayer optical waveguide layer, and optical waveguide layer includes saturating similar in several grain sizes Mirror particle, the refractive index of the lens particle is between 1.2~2.0, if dry lens particle is arranged by triangle or polygon mode, Each LED light corresponds to a pixel, and the size of each lens particle is the 1/2~1/100 of LED light, lens particle include into Smooth surface and light-emitting surface, incidence surface are to be close to facing directly for substrate, and light-emitting surface is the cambered surface of protrusion, and multiple bulge-structures press cycle sequences It is arranged together, forms ups and downs optical waveguide layer cambered surface, lens particle is made of water white transparency material, water white transparency material packet Containing glass, the light transmissive polymeric materials such as plastic cement or synthetic material, substrate are transparent plastic-substrates or substrate of glass, plastic-substrates Including acrylic, polyesters, vinyl class in polymer.

The utility model for overcome the deficiencies in the prior art, provides a kind of LED picture quality enhancements film, which can subtract Gap between small display unit expands the area of hot spot on LED display, the aperture opening ratio of pixel is made to become larger, and improves light By effective coverage, the aperture opening ratio of single led display screen is D0, increases the utility model on the basis of LED display Film after-opening rate becomes D1, and relationship is D1 ∝ λ D0, wherein λ is ratio coefficient and is more than 1) that LED is imaged the color of picture Coloured silk distribution is more uniform, realizes pixel puppet super resolution, increases LED screen colour developing area, improves the soft degree of light, make imaging color Color lively distinct, picture is clear, and in addition to this, which can also eliminate LED stroboscopic effects.

Description of the drawings

Fig. 1 is enhanced film structural schematic diagram in the utility model specific embodiment.

Fig. 2 is the close-up schematic view of Fig. 1.

Fig. 3 is light distribution comparison diagram in the utility model specific embodiment.

4A and 4B in Fig. 4 are hot spot effect contrast figures in the utility model specific embodiment.

Fig. 5 is single layer lens particle alignment structure chart in the utility model specific embodiment.

Fig. 6 is multilayer lens particle alignment structure chart in the utility model specific embodiment.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

As shown in Figs. 1-2, a kind of LED picture quality enhancements film, the film include a substrate 20, and substrate is transparent plastics Substrate or substrate of glass, plastic-substrates include acrylic, and polyesters, vinyl class in polymer, substrate of glass is general high saturating Light glass usually has lower reflectivity, if reflectivity is in 1% glass below.

Substrate includes upper and lower surfaces, one layer of the coated on one side of substrate or multilayer optical waveguide layer 30, and optical waveguide layer includes several Lens particle 31 similar in grain size, for the refractive index of the lens particle between 1.2~2.0, each LED light corresponds to a pixel Point, the size of each lens particle 31 are the 1/2~1/100 of LED light, and lens particle 31 includes incidence surface and light-emitting surface, enters light Face is to be close to facing directly for substrate, and light-emitting surface is the cambered surface of protrusion, and multiple bulge-structures are arranged together by cycle sequences, i.e., according to Certain regular shape cycle arrangement forms ups and downs optical waveguide layer cambered surface, and lens particle is made of water white transparency material, nothing Color transparent material includes glass, the light transmissive polymeric materials such as plastic cement or synthetic material.

In Fig. 1 shown in C, Fig. 2 is close-up schematic view, the light A that LED screen 10 is sent out by several LED light 11, light A, if dry lens particle 31 makes the projected path of light A change, makes light more through enhanced film via optical waveguide layer 30 Close, when light is incident upon receiving screen 40, receiving screen 40 is a kind of optical film projection screen or general projection screen, and projection screen receives When the projection of light A, under the influence of enhanced film, with reference to figure 4, hot spot effect density ratio does not implement the utility model technical side Greatly more are wanted under conditions of case.

As seen in figs. 5-6, if dry lens particle is arranged by triangle or polygon mode, Fig. 3 is the tool of the utility model Lens particle alignment structure chart in body embodiment, it can be seen from the figure that every three lens particles, 31 distribution triangular in shape.Figure 6 be multilayered particles arrangement schematic diagram, it can be seen that every three lens particles 31 are also distribution triangular in shape.Triangle is basis, Several triangles can be combined into a hexagon.

As shown in Figure 3-4, implement the LED picture quality enhancement films of the utility model, thus it is possible to vary the mesh of the hot spot B of LED light Record, by the comparison of 4A in Fig. 4 and 4B, which can reduce the gap between display unit, expand hot spot on LED display Area, so that the aperture opening ratio of pixel is become larger, improve light by effective coverage, the aperture opening ratio of LED display is D0, The film after-opening rate that LED display increases the utility model becomes D1, and relationship is D1 ∝ λ D0, wherein λ is ratio coefficient And it is more than 1.As shown in figure 3, the light intensity numerical value higher of the LED enhanced films using the utility model in a cycle, also It is to say brighter, and high light intensity duration is longer, and curve is gentle, has higher soft degree.

Film provided by the utility model, solves that LED screen image quality is unintelligible, and color allocation is uneven, and light is not soft enough And the problem of, it realizes pixel puppet super resolution, increases LED screen colour developing area, moreover it is possible to eliminate LED stroboscopic effects.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of LED picture quality enhancements film, which includes a substrate, and substrate includes upper and lower surfaces, and the one side of substrate applies One layer of cloth or multilayer optical waveguide layer, optical waveguide layer include lens particle similar in several grain sizes, and lens particle includes incidence surface and goes out Smooth surface, incidence surface are to be close to facing directly for substrate, and light-emitting surface is the cambered surface of protrusion, and multiple bulge-structures are arranged in one by cycle sequences It rises, forms ups and downs optical waveguide layer cambered surface.

2. LED picture quality enhancements film according to claim 1, which is characterized in that the refractive index of the lens particle is 1.2 Between~2.0.

3. LED picture quality enhancements film according to claim 1, which is characterized in that the lens particle presses triangle or more Side shape mode is arranged.

4. LED picture quality enhancements film according to claim 1, which is characterized in that each LED light corresponds to a pixel, The size of each lens particle is the 1/2~1/100 of LED light.

5. LED picture quality enhancements film according to claim 1, which is characterized in that the lens particle is by water white transparency material Matter is made.

6. LED picture quality enhancements film according to claim 5, which is characterized in that the water white transparency material includes glass, Plastic cement light transmissive polymeric material or synthetic material.

7. LED picture quality enhancements film according to claim 1, which is characterized in that substrate is transparent plastic-substrates or glass Glass substrate.

8. LED picture quality enhancements film according to claim 7, which is characterized in that plastic-substrates include acrylic, polyester Class, vinyl class in polymer.

9. LED picture quality enhancements film according to claim 1, which is characterized in that the aperture opening ratio of single led display screen is D0, increasing the film after-opening rate on the basis of single led display screen becomes D1, and relationship is D1 ∝ λ D0, wherein λ is Ratio coefficient and be more than 1.