Method for increasing the transmittance and reducing the reflection of a silicon-based OLED microdisplay

By employing a combined structure of AR glass body, elastic layer, adhesive layer, anti-collision layer and heat insulation layer on silicon-based OLED microdisplay, the problem of damage to microdisplay chips during transportation is solved, and high transmittance and impact resistance are improved.

CN119805630BActive Publication Date: 2025-12-12LAKESIDE LIGHTNING SEMICONDUCTOR (JIANGSU) CO
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Patent Information

Application Number
CN202411793506.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-12-12
Estimated Expiration
2044-12-06

AI Technical Summary

Technical Problem

Silicon-based OLED microdisplay chips are easily damaged during transportation, leading to economic losses.

Method used

It adopts a combined structure of AR glass body, elastic layer, adhesive layer, impact-resistant layer and heat insulation layer, and is fixed by threaded hole installation and laser hot melt technology. The anti-reflective film layer improves transmittance and enhances the protective effect.

Benefits of technology

It improves the transmittance and brightness of the micro-display, enhances its impact resistance, protects the micro-display from damage, and improves its impact resistance during transportation.

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Abstract

The application relates to the technical field of silicon-based OLED micro display, and discloses a method for increasing the transmittance and reducing the reflection of a silicon-based OLED micro display screen, which comprises an AR glass body, an elastic layer, a bonding layer, an anti-collision layer and a heat insulation layer; S1, after the first elastic layer and the second elastic layer of the elastic layer are woven into shape, the four corners of the elastic layer are fixed on the lower surface of a vacuum heat insulation plate of the heat insulation layer through nails; S2, threaded holes are formed on the left and right sides of the upper surface of the AR glass body, and after the vacuum heat insulation plate of the heat insulation layer is installed on the upper surface of the AR glass body through small bolts through the threaded holes; the method for increasing the transmittance and reducing the reflection of the silicon-based OLED micro display screen can improve the transmittance of the AR glass body and improve the brightness of the display screen by arranging the upper and lower antireflection film layers, and meanwhile, the threaded holes formed on the upper surface of the AR glass body facilitate the installation of a frame on the AR glass body.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of silicon-based OLED micro display, in particular to a method for increasing the transmission and reducing the reflection of a silicon-based OLED micro display screen. BACKGROUND

[0002] The silicon-based OLED micro display is a new type of display technology that combines active light-emitting devices OLED with silicon-based CMOS driving circuit substrates. It has been widely used in military markets such as head-mounted helmets, gun sights, and night vision devices, and has a very broad application prospect in the AR / VR market, being referred to as the dark horse of the next generation of display technology.

[0003] Chinese Patent Publication No. CN 113097415 A discloses "a silicon-based OLED micro display chip structure and its anti-reflection method. The structure includes a silicon-based CMOS driving circuit layer, an OLED light-emitting layer, an encapsulation layer, and a cover glass layer arranged in sequence. The cover glass layer is a reflection-reducing glass layer, which includes a cover glass and an anti-reflection film on the cover glass. The anti-reflection film is arranged on one side or both sides of the cover glass. The anti-reflection method includes the following steps: evaporating organic and cathode metal materials on the silicon-based CMOS driving circuit to form an OLED layer; transferring the substrate with evaporated organic and cathode metal materials to a thin film encapsulation device for organic and inorganic thin film encapsulation to form an encapsulation layer; combining the materials of the cover glass and the anti-reflection film to form an anti-reflection AR glass; and covering the anti-reflection AR glass on the encapsulation layer. The anti-reflection film layer is formed on the cover glass, greatly reducing the reflectivity of the glass surface, and the highest transmittance can reach 98%; thus, the silicon-based OLED micro display device has excellent performance of low reflection and high transmission".

[0004] During the conception process, the applicant searched a large number of patent documents on the patent network, such as Chinese Patent Publication No. CN 113097415 A, which discloses "a silicon-based OLED micro display chip structure and its anti-reflection method". However, since the micro display chip is generally fragile during transportation, it is inevitable to produce jolts during transportation by vehicles, which can easily cause damage to the micro display chip and affect the economy. Therefore, a method for increasing the transmission and reducing the reflection of a silicon-based OLED micro display screen is proposed to solve the above-mentioned problems. SUMMARY

[0005] (I) Technical problems to be solved

[0006] In view of the deficiencies of the prior art, the present application provides a method for increasing the transmission and reducing the reflection of a silicon-based OLED micro display screen, which solves the problem of damage to the micro display chip during transportation.

[0007] (II) Technical solutions

[0008] In order to achieve the above object, the present application provides the following technical scheme: a method for increasing the transmittance and reducing the reflection of a silicon-based OLED micro display screen, comprising: an AR glass body, an elastic layer, an adhesive layer, a collision prevention layer and a heat insulation layer; S1, after the first elastic layer and the second elastic layer of the elastic layer are woven into shape, the four corners of the elastic layer are fixed on the lower surface of the vacuum heat insulation plate of the heat insulation layer by nails; S2, threaded holes are formed on the left and right sides of the upper surface of the AR glass body, and after the vacuum heat insulation plate of the heat insulation layer is installed on the upper surface of the AR glass body through the threaded holes by small bolts; S3, after the upper surface of the vacuum heat insulation plate of the heat insulation layer is brushed with the adhesive layer, the adhesive layer is heat-fused by laser, and the collision prevention layer is placed on the upper surface of the vacuum heat insulation plate of the heat insulation layer.

[0009] Preferably, the upper surface of the AR glass body is fixedly connected with an upper anti-reflection film layer, and the lower surface of the AR glass body is fixedly connected with a lower anti-reflection film layer.

[0010] Preferably, the thickness of the adhesive layer is between two and five millimeters, and the adhesive layer is composed of aluminum, iron, chromium, strontium, carbon and copper.

[0011] Preferably, the upper surface of the upper anti-reflection film layer is connected with the heat insulation layer, and the material of the heat insulation layer is a vacuum heat insulation plate.

[0012] Preferably, the elastic layer comprises a first elastic layer and a second elastic layer, the first elastic layer of the elastic layer is interwoven with elastic fibers into a honeycomb hexagon, the second elastic layer of the elastic layer is woven with composite yarns, and the material of the composite yarns is PTT fiber.

[0013] Preferably, the lower surface of the heat insulation layer is connected with the upper surface of the AR glass body, the upper surface of the heat insulation layer is connected with the lower surface of the adhesive layer, the upper surface of the adhesive layer is connected with the lower surface of the collision prevention layer, and the lower surface of the heat insulation layer is connected with the upper surface of the elastic layer.

[0014] Preferably, the collision prevention layer contains a phenyl high molecular polymer, the surface of the collision prevention layer is solidified with a mixture, and the solidified mixture of the collision prevention layer is alcohol, ether, epoxy resin, silicon dioxide or an additive.

[0015] Preferably, the material of the collision prevention layer is mixed with ink, and the thickness of the collision prevention layer is between three millimeters and fifty millimeters.

[0016] Preferably, the lower surface of the AR glass body is provided with an encapsulation layer, the lower surface of the encapsulation layer is provided with an OLED layer, the lower surface of the OLED layer is provided with a silicon-based CMOS driving circuit, and the material of the OLED layer is organic material and extremely negative metal material.

[0017] (III) beneficial effects

[0018] Compared with the prior art, the present application provides a method for increasing transmission and reducing reflection of a silicon-based OLED micro display screen, which has the following beneficial effects:

[0019] 1. The method for increasing transmission and reducing reflection of a silicon-based OLED micro display screen can improve the transmittance of the AR glass body, improve the brightness of the display screen, and facilitate the installation of a frame on the AR glass body through the threaded hole formed on the upper surface of the AR glass body.

[0020] 2. The method for increasing transmission and reducing reflection of a silicon-based OLED micro display screen can facilitate the installation of a protection mechanism on the micro display screen through the setting of the heat insulation layer and the adhesive layer, and effectively prevent the micro display screen from being extruded by the heat insulation layer through the elastic layer.

[0021] 3. The method for increasing transmission and reducing reflection of a silicon-based OLED micro display screen can effectively protect the micro display screen through the setting of the anti-collision layer, and significantly improve the impact resistance of the micro display screen by adding ink and other materials. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 The present application provides a method for increasing transmission and reducing reflection of a silicon-based OLED micro display screen, which has the following beneficial effects:

[0023] Fig. 2 The present application provides a method for increasing transmission and reducing reflection of a silicon-based OLED micro display screen, which has the following beneficial effects:

[0024] Fig. 3 The present application provides a method for increasing transmission and reducing reflection of a silicon-based OLED micro display screen, which has the following beneficial effects:

[0025] In the figure: 1, AR glass body; 2, upper transmission film layer; 3, encapsulation layer; 4, adhesive layer; 5, elastic layer; 6, anti-collision layer; 7, heat insulation layer; 8, OLED layer; 9, silicon-based CMOS driving circuit; 10, lower transmission film layer. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] Please refer toFigs. 1-3A kind of method of antireflection and anti-reflective of silicon-based OLED micro display screen, comprising: AR glass body 1, elastic layer 5, adhesive layer 4, anti-collision layer 6 and heat insulation layer 7;S1, after the first elastic layer and the second elastic layer of elastic layer 5 are woven into shape, the four corners of elastic layer 5 are fixed on the lower surface of vacuum heat insulation plate of heat insulation layer 7 by nail;S2, thread hole is set up in the upper surface of AR glass body 1 left and right sides, after the vacuum heat insulation plate of heat insulation layer 7 is installed on the upper surface of AR glass body 1 by small bolt through the thread hole;S3, after the upper surface of vacuum heat insulation plate of heat insulation layer 7 is brushed adhesive layer 4, adhesive layer 4 is heated and fused by laser heat fusion after adhesive layer 4 is heated and fused, anti-collision layer 6 is placed on the upper surface of vacuum heat insulation plate of heat insulation layer 7, the upper surface of AR glass body 1 is fixedly connected with upper antireflection film layer 2, the lower surface of AR glass body 1 is fixedly connected with lower antireflection film layer 10, the thickness of adhesive layer 4 is between two and five millimeters, adhesive layer 4 is composed of the following materials: including aluminum, iron, chromium, strontium, carbon and copper, the upper surface of upper antireflection film layer 2 is connected with heat insulation layer 7, and the antireflection (anti-reflective) material is SiO, the transmittance of AR glass of this scheme can reach 93%~94%, the material of heat insulation layer 7 is vacuum heat insulation plate, and vacuum heat insulation plate is a kind of high-efficiency heat insulation material produced by vacuum heat insulation technology, the product is mainly composed of multilayer metal high barrier film, ultrafine glass fiber cotton and getter, and it plays the role of heat insulation.The vacuum insulation plate does not contain 0DS and other harmful ingredients, meets the ROHS standard; the material is easy to recycle, does not cause any damage to the environment: using vacuum insulation plate on refrigeration, storage and other equipment, not only can reduce the thickness of the thermal insulation layer to increase the available internal space, but also can save energy and electricity about 20-30%, therefore, the product has the dual advantages of environmental protection and energy saving, the elastic layer 5 includes the first elastic layer and the second elastic layer, the first elastic layer of the elastic layer 5 is interwoven into a honeycomb hexagon by elastic fibers, the elastic fibers are one or more of polyurethane, polyester, spandex, rubber, polyolefin elastic fiber and polyester composite elastic fiber, the second elastic layer of the elastic layer 5 is woven by composite yarn, the material of the composite yarn is PTT fiber, combined with conductive fibers, the elasticity of the fabric can be increased while the moisture absorption, air permeability and antistatic ability of the fabric are also increased, the elastic fiber saves cost but cannot well improve the performance of the fabric, therefore, a plurality of elastic fibers are blended to increase the elasticity of the first elastic layer 1, since the air permeability of the elastic fiber is poor, the honeycomb hexagon is designed to increase the air permeability and increase the compression resistance, the lower surface of the thermal insulation layer 7 is connected with the upper surface of the AR glass body 1, the upper surface of the thermal insulation layer 7 is connected with the lower surface of the adhesive layer 4, the upper surface of the adhesive layer 4 is connected with the lower surface of the anti-collision layer 6, the lower surface of the thermal insulation layer 7 is connected with the upper surface of the elastic layer 5, the anti-collision layer 6 contains a phenyl high molecular polymer, the surface of the anti-collision layer 6 is solidified with a mixture, the solidified mixture of the anti-collision layer 6 is alcohol, ether, epoxy resin, silicon dioxide or an additive, the material of the anti-collision layer 6 is mixed with ink, the sum of the weight of the phenyl high molecular polymer and the mixture accounts for 5% to 30% of the weight of the anti-collision film layer after the ink is added, that is, the sum of the weight of the phenyl high molecular polymer and the mixture is 5% to 30% of the weight of the entire anti-collision film layer 20 after the ink is added, the rest is ink, the thickness of the anti-collision layer 6 is between three millimeters and fifty millimeters, the lower surface of the AR glass body 1 is provided with an encapsulation layer 3, the lower surface of the encapsulation layer 3 is provided with an OLED layer 8, the lower surface of the OLED layer 8 is provided with a silicon-based CMOS driving circuit 9, the material of the OLED layer 8 is organic material and extremely negative metal material, the anti-reflection (anti-reflection) film is composed of anti-reflection material, the anti-reflection (anti-reflection) material is prepared by immersion plating or magnetic control sputtering or evaporation plating to form the anti-reflection film, the anti-reflection (anti-reflection) material is prepared on the cover plate glass or the previous anti-reflection (anti-reflection) film by immersion plating or magnetic control sputtering or evaporation plating, to form the anti-reflection (anti-reflection) film.

[0028] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A method for antireflection of a silicon-based OLED microdisplay, characterized in that, The application relates to an AR glass body (1), an elastic layer (5), an adhesion layer (4), an anti-collision layer (6) and a heat insulation layer (7). An upper antireflection film layer (2) is fixedly connected to the upper surface of the AR glass body (1), and a lower antireflection film layer (10) is fixedly connected to the lower surface of the AR glass body (1). The upper surface of the upper antireflection film layer (2) is connected with the heat insulation layer (7), and the material of the heat insulation layer (7) is a vacuum heat insulation plate. The lower surface of the heat insulation layer (7) is connected with the upper surface of the AR glass body (1), the upper surface of the heat insulation layer (7) is connected with the lower surface of the adhesion layer (4), the upper surface of the adhesion layer (4) is connected with the lower surface of the anti-collision layer (6), and the lower surface of the heat insulation layer (7) is connected with the upper surface of the elastic layer (5). S1, after the first elastic layer and the second elastic layer of the elastic layer (5) are woven into a shape, the four corners of the elastic layer (5) are fixed on the lower surface of the vacuum heat insulation plate of the heat insulation layer (7) through nails. S2, thread holes are formed on the left and right sides of the upper surface of the AR glass body (1), and then the vacuum heat insulation plate of the heat insulation layer (7) is installed on the upper surface of the AR glass body (1) through small bolts through the thread holes. S3, after the upper surface of the vacuum heat insulation plate of the heat insulation layer (7) is brushed with the adhesion layer (4), the adhesion layer (4) is heated and fused through laser heat fusion, and then the anti-collision layer (6) is placed on the upper surface of the vacuum heat insulation plate of the heat insulation layer (7). The thickness of the adhesion layer (4) is between 2 and 5 mm, and the adhesion layer (4) is composed of aluminum, iron, chromium, strontium, carbon and copper.

2. The method for increasing the transmission and decreasing the reflection of a silicon-based OLED microdisplay according to claim 1, wherein: The elastic layer (5) comprises a first elastic layer and a second elastic layer, the first elastic layer of the elastic layer (5) is interwoven into a honeycomb hexagon by elastic fibers, the second elastic layer of the elastic layer (5) is woven by composite wires, and the material of the composite wires is PTT fiber.

3. The method for increasing the transmission and decreasing the reflection of a silicon-based OLED microdisplay according to claim 2, wherein: The anti-collision layer (6) contains a phenyl high polymer, the surface of the anti-collision layer (6) is solidified with a mixture, and the solidified mixture of the anti-collision layer (6) is alcohol, ether, epoxy resin, silicon dioxide or an additive.

4. The method for increasing the transmission and decreasing the reflection of a silicon-based OLED microdisplay according to claim 3, wherein: The material of the anti-collision layer (6) is mixed with ink, and the thickness of the anti-collision layer (6) is between 3 mm and 50 mm.

5. The method for increasing the transmission and decreasing the reflection of a silicon-based OLED microdisplay according to claim 4, wherein: The lower surface of the AR glass body (1) is provided with an encapsulation layer (3), the lower surface of the encapsulation layer (3) is provided with an OLED layer (8), the lower surface of the OLED layer (8) is provided with a silicon-based CMOS driving circuit (9), and the material of the OLED layer (8) is organic material and extremely negative metal material.

6. The method for increasing the transmission and decreasing the reflection of a silicon-based OLED microdisplay according to claim 5, wherein: ​

Citation Information

Patent Citations

  • Silicon-based OLED micro-display chip structure and anti-reflection method thereof

    CN113097415A

  • LED display screen with protective shell

    CN211980077U