CN215575748U

CN215575748U - Optical diaphragm capable of improving uniformity of display light source

Info

Publication number: CN215575748U
Application number: CN202120791619.4U
Authority: CN
Inventors: 钟福新; 石荣兴
Original assignee: Fujian Huawo Photoelectric Technology Co ltd
Current assignee: Fujian Huawo Photoelectric Technology Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-01-18
Anticipated expiration: 2031-04-20

Abstract

The utility model relates to the technical field of diaphragms, in particular to an optical diaphragm capable of improving the uniformity of a display light source, which comprises a base film, a square block, a PET film and a light-gathering layer, wherein the PET film is arranged at the left end and the right end inside the base film, a nano light-guiding sheet is arranged in the middle inside the base film, the light-gathering layer is arranged between the base film and the PET film, a round bar is arranged inside the square block, a light-reflecting sheet is arranged inside the light-gathering layer, a button is arranged at the front end of the square block, a clamping plate is arranged at the rear end inside the square block, the button is fixedly connected with the round bar, the round bar is fixedly connected with the clamping plate, the clamping plate is in sliding connection with the inner wall of the square block, a protective film is arranged at the front end of the clamping plate, and a rubber strip is arranged at the edge position of the base film. The operation is convenient and practical.

Description

Optical diaphragm capable of improving uniformity of display light source

Technical Field

The utility model relates to the technical field of diaphragms, in particular to an optical diaphragm capable of improving the uniformity of a display light source.

Background

The optical film is a light-transmitting film with wide application, and is divided into a reflecting film, an antireflection film, a light filtering film, an optical protective film, a polarizing film, a light splitting film and a phase film according to the application, wherein the first four are commonly used, the optical reflecting film is used for increasing the specular reflectivity, and is commonly used for manufacturing a reflecting device, a refracting device and a resonant cavity device, the optical antireflection film is deposited on the surface of an optical element and is used for reducing the surface reflection and increasing the transmission of an optical system, the optical filtering film is also called an antireflection film and is used for carrying out spectrum or other optical segmentation, the optical film has multiple types and complex structure, and the optical protective film is deposited on the surface of a metal or other soft easily-erodible material or a thin film and is used for increasing the strength or stability and improving the optical property. The most common is a protective film of a metal mirror surface, the application of an optical film is ubiquitous, and the film can be applied to various aspects of our lives, such as glasses coating, liquid crystal display of mobile phones, computers and televisions, LED illumination and the like.

Common optical film also has a lot in the real life, most optical film nevertheless all can discover that the diaphragm printing opacity is not even enough when showing the light source in the use, local region light source shows too high or low phenomenon excessively appears easily, influence optical film's normal use in the in-service use, and traditional optical film lacks protection machanism in addition, the damage of breaking very easily appears in the transportation, lead to optical film to scrap, consequently need improve current optical film.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an optical film for improving uniformity of a display light source, so as to solve the above-mentioned problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a can improve optical film piece that shows light source degree of consistency, includes base film, square, PET membrane and spotlight layer, both ends all are provided with the PET membrane about the base film is inside, the inside middle part of base film is provided with nanometer leaded light piece, be provided with the spotlight layer between base film and the PET membrane, the inside round bar that is provided with of square, the inside reflector panel that is provided with of spotlight layer, the square front end is provided with the button, the inside rear end of square is provided with splint, button and round bar fixed connection, round bar and splint fixed connection, splint and square inner wall sliding connection, the splint front end is provided with the protection film, base film border position department is provided with the rubber strip, the protection film right-hand member is provided with the bar area, protection film right-hand member and bar area left end fixed connection.

Preferably, the light-gathering layer is internally provided with a cavity with an inverted cone structure, and the reflective sheet is fixedly connected with the middle part of the inner wall of the light-gathering layer.

Preferably, a rectangular groove is formed in the surface of the square block, and the rubber strip is connected with the inner wall of the square block in a sliding mode through the rectangular groove.

Preferably, a micro spring is arranged between the clamping plate and the inner wall of the square block and fixedly connected with the square block.

Preferably, the number of the rubber strips and the number of the square blocks are four, and the four square blocks are respectively distributed at four corner positions of the base film.

Preferably, the number of the protective films is two, and the two protective films are symmetrically arranged at the front end and the rear end of the base film respectively.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the light emitted by the light source can be gathered by the arranged light gathering layer through the inverted cone-shaped structure, the gathered light can be uniformly distributed in the light gathering layer through the arranged light reflecting sheet in a secondary refraction manner, the arranged nanometer light guide sheet can further enhance the integral light transmittance of the diaphragm, the uniformity of the diaphragm display light source is improved, and the light gathering layer is very practical and efficient.

2. According to the utility model, the optical diaphragms with different sizes can be protected through the arranged square blocks, the arranged clamping plates can clamp and fix the optical diaphragms, the edge positions of the diaphragms can be well protected by combining the rubber strips, the arranged protective film which is convenient to take out can also prevent the diaphragms from being accidentally scratched in the transportation process, and the operation is simple and practical.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the block of FIG. 2 according to the present invention;

fig. 4 is a schematic view of the internal structure of the base film of fig. 3 according to the present invention.

In the figure: 1-basal membrane, 2-square, 3-rubber strip, 4-button, 5-PET membrane, 6-protective membrane, 7-round bar, 8-splint, 9-micro spring, 10-nanometer light guide sheet, 11-light focusing layer, 12-strip belt and 13-reflector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a can improve optical film that shows light source degree of consistency, including base film 1, the square 2, PET membrane 5 and spotlight layer 11, both ends all are provided with PET membrane 5 about base film 1 is inside, 1 inside middle part of base film is provided with nanometer leaded light piece 10, be provided with spotlight layer 11 between base film 1 and the

PET membrane

5, 2 inside round bar 7 that are provided with of square, 11 inside reflector 13 that is provided with of spotlight layer, 2 front ends of square are provided with

button

4, 2 inside rear ends of square are provided with splint 8, button 4 and 7 fixed connection of round bar, round bar 7 and 8 fixed connection of splint,

splint

8 and 2 inner wall sliding connection of square, 8 front ends of splint are provided with

protection film

6, 1 border position department of base film is provided with

rubber strip

3, 6 right-hand members of protection film are provided with

strip

12, 6 right-hand members of protection film and 12 left end fixed connection of strip.

The light-gathering layer 11 is internally provided with a cavity with an inverted cone structure, the reflector 13 is fixedly connected with the middle part of the inner wall of the light-gathering layer 11 to facilitate gathering and reflecting light, the surface of the square 2 is provided with a rectangular groove, the rubber strip 4 is in sliding connection with the inner wall of the square 2 through the rectangular groove to facilitate the installation and connection of the rubber strip 4 and the square 2, the micro spring 9 is arranged between the clamping plate 8 and the inner wall of the square 2, the micro spring 9 is fixedly connected with the square 2 to facilitate pushing the clamping plate 8 to move, the number of the rubber strip 4 and the square 2 is four, and the four squares 2 are respectively distributed at four corner positions of the base film 1, protect base film 1 edge part, the number that sets up of protection film 6 is two, and two protection films 6 symmetry respectively sets up both ends position department around base film 1, and the protection diaphragm is not scraped the flower by accident and is caused the diaphragm damage in transit.

The working process is as follows: when the diaphragm needs to be transported, firstly installing the rubber strip 3 at the edge position of the base film 1, then pressing the button 4, pushing the round rod 7 by the button 4 to move backwards, pushing the clamping plate 8 by the round rod 7 to move backwards, compressing the micro spring 9 in the process that the clamping plate 8 moves backwards, directly installing the square 2 at the corner position of the base film 1 when the square 2 is exposed out of the opening, then loosening the button 4, moving the clamping plate 8 forwards under the action of the micro spring 9 to clamp and fix the base film 1, connecting the rubber strip 3 with the square 2 by using the rectangular groove on the surface of the square 2, protecting films 6 at the front end and the rear end of the base film 1 can carry out dustproof protection on the base film and also can prevent the base film 1 from being accidentally scratched, when the diaphragm needs to be used, firstly taking down the rubber strip 3 and the square 2, then pinching the strip 12 to directly pull leftwards, tearing down the protecting films 6 from the front end and the rear end of the base film 1 by the strip 12, light source sends and enters into spotlight layer 11 after passing the PET membrane, collects light in the back taper cavity that spotlight layer 11 is inside to be set up and gathers together, then light carries out evenly distributed in base film 1 after the refraction of reflector panel 13, then light passes nanometer leaded light piece 10, and nanometer leaded light piece 10 combs the conduction to the light, makes base film 1 whole even in the bright distribution in all regions at last, and is very practical.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. An optical film capable of improving uniformity of a display light source, comprising a base film (1), a square block (2), a PET film (5) and a light-condensing layer (11), characterized in that: the solar cell panel is characterized in that PET films (5) are arranged at the left end and the right end inside the base film (1), a nanometer light guide sheet (10) is arranged at the middle inside the base film (1), a light gathering layer (11) is arranged between the base film (1) and the PET films (5), a round rod (7) is arranged inside the square (2), a light reflecting sheet (13) is arranged inside the light gathering layer (11), a button (4) is arranged at the front end of the square (2), a clamping plate (8) is arranged at the rear end inside the square (2), the button (4) is fixedly connected with the round rod (7), the round rod (7) is fixedly connected with the clamping plate (8), the clamping plate (8) is slidably connected with the inner wall of the square (2), a protective film (6) is arranged at the front end of the clamping plate (8), a rubber strip (3) is arranged at the edge position of the base film (1), a strip-shaped belt (12) is arranged at the right end of the protective film (6), the right end of the protective film (6) is fixedly connected with the left end of the strip-shaped belt (12).

2. An optical film for improving uniformity of a display light source as recited in claim 1, wherein: the light-gathering layer (11) is internally provided with a cavity with an inverted cone-shaped structure, and the reflective sheet (13) is fixedly connected with the middle part of the inner wall of the light-gathering layer (11).

3. An optical film for improving uniformity of a display light source as recited in claim 1, wherein: rectangular grooves are formed in the surfaces of the square blocks (2), and the rubber strips (3) are connected with the inner walls of the square blocks (2) in a sliding mode through the rectangular grooves.

4. An optical film for improving uniformity of a display light source as recited in claim 1, wherein: be provided with miniature spring (9) between splint (8) and square (2) inner wall, miniature spring (9) and square (2) fixed connection.

5. An optical film for improving uniformity of a display light source as recited in claim 1, wherein: the number of the rubber strips (3) and the number of the square blocks (2) are four, and the four square blocks (2) are respectively distributed at four corner positions of the base film (1).

6. An optical film for improving uniformity of a display light source as recited in claim 1, wherein: the number of the protective films (6) is two, and the protective films (6) are symmetrically arranged at the front end and the rear end of the base film (1) respectively.