Anti-reflection and anti-reflection method for silicon-based OLED (Organic Light Emitting Diode) micro display screen

Abstract

The invention relates to the technical field of silicon-based OLED micro display, and discloses an anti-reflection and anti-reflection method of a silicon-based OLED micro display screen, which comprises an AR glass body, an elastic layer, an adhesion layer, an anti-collision layer and a heat insulation layer, s1, after a first elastic layer and a second elastic layer of an elastic layer are woven and formed, four corners of the elastic layer are fixed to the lower surface of a vacuum heat insulation plate of a heat insulation layer through nails; s2, threaded holes are formed in the left side and the right side of the upper surface of the AR glass body, and through the threaded holes, vacuum heat insulation plates of the heat insulation layer are installed on the upper surface of the AR glass body through small bolts; according to the anti-reflection and anti-reflection method for the silicon-based OLED micro display screen, the transmittance of the AR glass body can be improved and the brightness of the display screen can be improved through the arrangement of the upper anti-reflection film layer and the lower anti-reflection film layer, and meanwhile, a frame can be conveniently installed on the AR glass body through the threaded holes formed in the upper surface of the AR glass body.

Description

Technical Field

[0001] The invention relates to the technical field of silicon-based OLED micro-displays, and in particular to a method for increasing transmittance and reducing reflection of a silicon-based OLED micro-display. Background Art

[0002] Silicon-based OLED microdisplay is a new display technology that uses active light-emitting devices OLED to be fabricated on a silicon-based CMOS drive circuit substrate. It has been widely used in military markets such as machine-worn helmets, gun sights, and night vision goggles, and has extremely broad application prospects in the AR / VR market. It is known as the dark horse of the next generation of display technology.

[0003] Chinese patent publication number CN 113097415 A discloses "a silicon-based OLED micro-display chip structure and an anti-reflection method thereof, wherein the structure comprises a silicon-based CMOS driving circuit layer, an OLED light-emitting layer, an encapsulation layer and a cover glass layer arranged in sequence, wherein the cover glass layer is an anti-reflection glass layer, and the anti-reflection glass layer comprises a cover glass and an anti-reflection film arranged on the cover glass, wherein the anti-reflection film is arranged on one side or both sides of the cover glass. The anti-reflection method comprises the following steps: organic materials and cathode metal materials are evaporated on the silicon-based CMOS driving circuit to form an OLED layer, the substrate on which the organic materials and cathode metal materials are evaporated is transferred to a thin film encapsulation device to perform organic and inorganic thin film encapsulation to form an encapsulation layer; the materials of the cover glass and the anti-reflection film are composited to form an anti-reflection AR glass; and the anti-reflection AR glass is covered on the encapsulation layer. The anti-reflection film layer is formed on the cover glass, which greatly reduces the reflectivity of the glass surface, and the maximum transmittance will reach 98%; thereby, the silicon-based OLED micro-display device has the excellent performance of low reflection and high transmittance".

[0004] During the conception process, the applicant searched a large number of patent documents on the patent network. For example, Chinese patent publication number CN113097415 A discloses "a silicon-based OLED microdisplay chip structure and its anti-reflection method". However, since the microdisplay chip is generally fragile during transportation, it is inevitable that bumps will occur during transportation by vehicle, which can easily cause damage to the microdisplay chip and have an impact on the economy. Therefore, a method for anti-reflection and anti-transmission of a silicon-based OLED microdisplay is proposed to solve the above-mentioned problems. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a method for increasing the transmittance and reducing the reflection of a silicon-based OLED micro display screen, which solves the problem that the micro display chip is easily damaged during transportation.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: 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, an anti-collision layer and a thermal 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 to the lower surface of the vacuum insulation board of the thermal insulation layer by nails; S2, threaded holes are opened on the left and right sides of the upper surface of the AR glass body, and the vacuum insulation board of the thermal insulation layer is installed on the upper surface of the AR glass body through small bolts through the threaded holes; S3, after the upper surface of the vacuum insulation board of the thermal insulation layer is coated with the adhesive layer, the adhesive layer is hot-melted by laser, and then the anti-collision layer is placed on the upper surface of the vacuum insulation board of the thermal insulation layer.

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

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

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

[0012] Preferably, the elastic layer comprises a first elastic layer and a second elastic layer, the first elastic layer of the elastic layer is formed by elastic fibers interwoven into a honeycomb hexagonal shape, and the second elastic layer of the elastic layer is woven from composite wires, and the material of the composite wires is PTT fiber.

[0013] Preferably, the lower surface of the thermal insulation layer is connected to the upper surface of the AR glass body, the upper surface of the thermal insulation layer is connected to the lower surface of the adhesion layer, the upper surface of the adhesion layer is connected to the lower surface of the anti-collision layer, and the lower surface of the thermal insulation layer is connected to the upper surface of the elastic layer.

[0014] Preferably, the anti-collision layer contains a phenyl high molecular polymer, a mixture is cured on the surface of the anti-collision layer, and the mixture cured in the anti-collision layer is alcohol, ether, epoxy resin, silicon dioxide or an auxiliary agent.

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

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

[0017] (III) Beneficial effects

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

[0019] 1. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen can improve the transmittance of an AR glass body and the brightness of the display screen by setting an upper anti-reflection film layer and a lower anti-reflection film layer. At the same time, the threaded holes opened on the upper surface of the AR glass body facilitate the installation of a frame on the AR glass body.

[0020] 2. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen can facilitate the installation of a protective mechanism on the micro display screen by setting a heat insulation layer and an adhesive layer. At the same time, the elastic layer can effectively prevent the micro display screen from being squeezed by the heat insulation layer.

[0021] 3. This method of increasing transmittance and reducing reflection of a silicon-based OLED micro display screen can effectively protect the micro display screen by setting an anti-collision layer. At the same time, by adding other materials such as ink, the impact resistance of the micro display screen is significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen proposed by the present invention;

[0023] Figure 2 A schematic diagram of the overall internal structure of an AR glass body in a method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen proposed by the present invention;

[0024] Figure 3 This is a schematic diagram of the overall structure inside the heat insulation layer of a method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen proposed by the present invention.

[0025] In the figure: 1. AR glass body; 2. Upper anti-reflection film layer; 3. Packaging layer; 4. Adhesion layer; 5. Elastic layer; 6. Anti-collision layer; 7. Heat insulation layer; 8. OLED layer; 9. Silicon-based CMOS driving circuit; 10. Lower anti-reflection film layer. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 3A method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen comprises: an AR glass body 1, an elastic layer 5, an adhesive layer 4, an anti-collision layer 6 and a heat insulation layer 7; S1, after the first elastic layer and the second elastic layer of the elastic layer 5 are woven into shape, the four corners of the elastic layer 5 are fixed to the lower surface of the vacuum insulation board of the heat insulation layer 7 by nails; S2, threaded holes are opened on the left and right sides of the upper surface of the AR glass body 1, and the vacuum insulation board of the heat insulation layer 7 is installed on the upper surface of the AR glass body 1 through small bolts through the threaded holes; S3, after the upper surface of the vacuum insulation board of the heat insulation layer 7 is coated with the adhesive layer 4, the adhesive layer 4 is heat-melted by laser, and the anti-collision layer 6 is placed on the heat insulation layer 7 The upper surface of the vacuum insulation board, the upper surface of the AR glass body 1 is fixedly connected with an upper anti-reflection film layer 2, the lower surface of the AR glass body 1 is fixedly connected with a lower anti-reflection film layer 10, the thickness of the adhesive layer 4 is between two and five millimeters, and the adhesive layer 4 is composed of the following materials: including aluminum, iron, chromium, strontium, carbon and copper, the upper surface of the upper anti-reflection film layer 2 is connected to the insulation layer 7, the anti-reflection (anti-reflection) material is SiO, the transmittance of the AR glass of this scheme can reach 93% to 94%, the material of the insulation layer 7 is a vacuum insulation board, and the vacuum insulation board is a high-efficiency thermal insulation material produced using vacuum insulation technology. The product is mainly composed of multiple layers of metal high-barrier films, ultra-fine glass fiber wool and getter, which plays a role in heat insulation.The vacuum insulation panel does not contain ODS and other harmful components and complies with ROHS standards; the material is easy to recycle and does not cause any damage to the environment: using vacuum insulation panels on refrigeration, transportation and storage equipment can not only reduce the thickness of the insulation layer and increase the available internal space, but also save energy and electricity by about 20-30%. Therefore, the product has the dual advantages of environmental protection and energy saving. The elastic layer 5 includes a first elastic layer and a second elastic layer. The first elastic layer of the elastic layer 5 is made of elastic fibers interwoven into a honeycomb hexagon. The elastic fibers are one or more of nylon, polyester, spandex, rubber silk, polyolefin elastic fibers and polyester composite elastic fibers. The second elastic layer of the elastic layer 5 is woven from composite yarn. The material of the composite yarn is PTT fiber. Combined with conductive fiber, it can increase the elasticity while also increasing the moisture absorption, breathability and anti-static ability of the fabric. Elastic fiber saves cost, but cannot improve the fabric performance very well. Therefore, it is preferably a blend of multiple elastic fibers to increase the elasticity of the first elastic layer 1. Since the air permeability of elastic fiber is poor, it is designed into a honeycomb hexagonal shape to increase the air permeability and increase the compressive strength. The lower surface of the thermal insulation layer 7 is connected to the upper surface of the AR glass body 1, and the upper surface of the thermal insulation layer 7 is connected to the lower surface of the adhesive layer 4, and the upper surface of the adhesive layer 4 is connected to The lower surface of the anti-collision layer 6 is connected, the lower surface of the heat-insulating layer 7 is connected to the upper surface of the elastic layer 5, the anti-collision layer 6 contains a phenyl polymer, the surface of the anti-collision layer 6 is cured with a mixture, the mixture cured in 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 and ink is added, and the sum of the weight of the phenyl 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 polymer and the mixture is 5% to 30% of the weight of the material of the entire anti-collision film layer 20 after the ink is added, and the rest is ink, the anti-collision layer 6 has a thickness ranging from three millimeters to fifty millimeters. An encapsulation layer 3 is provided on the lower surface of the AR glass body 1. An OLED layer 8 is provided on the lower surface of the encapsulation layer 3. A silicon-based CMOS driving circuit 9 is provided on the lower surface of the OLED layer 8. The material of the OLED layer 8 is an organic material and an extremely negative metal material. The anti-reflection (anti-reflection) film is composed of an anti-reflection material. The anti-reflection (anti-reflection) material is prepared by immersion plating, magnetron sputtering or evaporation to form an anti-reflection film. The anti-reflection (anti-reflection) material is prepared on the cover glass or on the upper anti-reflection (anti-reflection) film by immersion plating, magnetron sputtering or evaporation to form an anti-reflection (anti-reflection) film of this layer.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen, characterized in that: include: 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 the elastic layer (5) are woven into a shape, the four corners of the elastic layer (5) are fixed to the lower surface of the vacuum insulation board of the insulation layer (7) by nails; S2, threaded holes are opened on the left and right sides of the upper surface of the AR glass body (1), and the vacuum insulation panel of the insulation layer (7) is installed on the upper surface of the AR glass body (1) through the threaded holes by means of small bolts; S3. After applying the adhesive layer (4) on the upper surface of the vacuum insulation board of the insulation layer (7), the adhesive layer (4) is heat-melted by laser, and then the anti-collision layer (6) is placed on the upper surface of the vacuum insulation board of the insulation layer (7).

2. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen according to claim 1, characterized in that: An upper anti-reflection film layer (2) is fixedly connected to the upper surface of the AR glass body (1), and a lower anti-reflection film layer (10) is fixedly connected to the lower surface of the AR glass body (1).

3. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen according to claim 2, characterized in that: The thickness of the adhesive layer (4) is between two and five millimeters, and the adhesive layer (4) is composed of the following materials: aluminum, iron, chromium, strontium, carbon and copper.

4. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen according to claim 3, characterized in that: The upper surface of the upper antireflection film layer (2) is connected to the heat insulation layer (7), and the material of the heat insulation layer (7) is a vacuum insulation board.

5. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen according to claim 4, characterized in that: The elastic layer (5) comprises a first elastic layer and a second elastic layer, the first elastic layer of the elastic layer (5) is formed by elastic fibers interwoven into a honeycomb hexagon, and the second elastic layer of the elastic layer (5) is woven from composite fibers, the material of the composite fibers being PTT fibers.

6. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen according to claim 5, characterized in that: The lower surface of the heat insulation layer (7) is connected to the upper surface of the AR glass body (1), the upper surface of the heat insulation layer (7) is connected to the lower surface of the adhesive layer (4), the upper surface of the adhesive layer (4) is connected to the lower surface of the anti-collision layer (6), and the lower surface of the heat insulation layer (7) is connected to the upper surface of the elastic layer (5).

7. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen according to claim 6, characterized in that: The anti-collision layer (6) contains a phenyl high molecular polymer, and a mixture is cured on the surface of the anti-collision layer (6). The mixture cured in the anti-collision layer (6) is alcohol, ether, epoxy resin, silicon dioxide or an auxiliary agent.

8. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen according to claim 7, characterized in that: The material of the anti-collision layer (6) is mixed with ink, and the thickness of the anti-collision layer (6) is between three millimeters and fifty millimeters.

9. The method for increasing transmittance and reducing reflection of a silicon-based OLED micro display screen according to claim 8, characterized in that: The lower surface of the AR glass body (1) is provided with a packaging layer (3), the lower surface of the packaging 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 an organic material and an extremely cathodic metal material.

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