Column plate of integrated screen

Abstract

The utility model belongs to the technical field of automobile ornaments, and provides a column plate of an integrated screen, which comprises an inner plate, a screen and an outer plate, the inner plate is provided with a display area opening, the screen is positioned at the display area opening, a glass cover is arranged on the upper surface of the inner plate, and an anti-aging piece is arranged between the screen and the outer plate. The utility model has the advantages that the problem of light aging and yellowing resistance of the screen of the column plate is solved by isolating ultraviolet light illumination in different modes, the light aging resistance condition of exterior decoration is met, and the ultraviolet optical wave band of 340nm and the time of more than 1500h can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile accessories, and in particular relates to a column plate with an integrated screen. Background Art

[0002] In recent years, with the rapid development of automobiles, automobiles are becoming more and more intelligent, and automobile accessories are becoming more and more technological. More and more pillar panels of new energy vehicles and some mid-to-high-end models are integrated with screen modules to realize human-computer interaction functions, making the shape more technological. Here, the intelligent A-pillars, B-pillars, C / D pillar panels and corner windows with integrated screen modules are directly exposed to sunlight, and the screen surface is exposed to ultraviolet rays. In particular, both white glass and screen modules cannot meet the light aging test conditions: especially in the optical ultraviolet 300nm-380nm band, the impact on the screen is the greatest, and the time is as long as 1500h. If the time is too long, the screen will turn yellow, resulting in the screen not being able to display normally, affecting its display effect. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a column plate of an integrated screen which can isolate ultraviolet light and improve the light aging and yellowing resistance of the screen in view of the current status of the prior art.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: a column plate with an integrated screen, characterized in that it includes an inner panel, a screen and an outer panel, the inner panel is provided with a display area opening, the screen is located at the display area opening, a glass cover is on the upper surface of the inner panel, and an anti-aging part is arranged between the screen and the outer panel.

[0005] In the above-mentioned column panel with integrated screen, the middle of the back side of the outer panel is the screen display area, and the two sides are shielding areas.

[0006] As one of the methods, in the column panel of the above-mentioned integrated screen, the outer panel is white glass, the aging-resistant part is an aging-resistant coating, the back of the white glass is printed with ceramic ink and the screen display area is avoided, the shielding area is shielded by ceramic ink, the screen has an optical adhesive layer, the aging-resistant coating is printed on the screen display area on the back of the white glass, and the optical adhesive layer is used to bond and connect to the screen, and the aging-resistant coating is located between the optical adhesive layer and the screen display area on the back of the white glass.

[0007] In the above-mentioned column plate of an integrated screen, the transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%, and the transmittance of infrared light of 850nm-940nm is ≥80%.

[0008] As a second method, in the column plate of the above-mentioned integrated screen, the outer panel is white glass, the aging-resistant component is a light-resistant aging film, the back of the white glass is printed with ceramic ink and the screen display area is avoided, the shielding area is shielded by ceramic ink, and the screen has an optical adhesive layer. The light-resistant aging film is bonded to the screen display area on the back of the white glass, and is bonded to the screen using the optical adhesive layer. The light-resistant aging film is located between the optical adhesive layer and the screen display area on the back of the white glass.

[0009] In the above-mentioned column plate of an integrated screen, the transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%, and the transmittance of infrared light of 850nm-940nm is ≥80%.

[0010] As a third method, in the column plate of the above-mentioned integrated screen, the outer panel is white glass, the aging-resistant component is light-resistant ink, the light-resistant ink is divided into semi-transparent light-resistant ink and opaque light-resistant ink, the back of the white glass is printed with semi-transparent light-resistant ink as a whole, and a layer of opaque light-resistant ink is printed in the shielding area, the screen has an optical adhesive layer, and is bonded to the screen using the optical adhesive layer, and the semi-transparent light-resistant ink is located between the optical adhesive layer and the screen display area on the back of the white glass.

[0011] In the above-mentioned column plate of an integrated screen, the transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%, and the transmittance of infrared light of 850nm-940nm is ≥80%.

[0012] As a fourth method, in the above-mentioned column plate of an integrated screen, the outer panel is white glass, the back of the white glass is printed with ceramic ink and its screen display area is avoided, the shielded area is shielded by ceramic ink, and the screen has an aging-resistant optical adhesive layer. The screen is bonded to the screen display area on the back of the white glass through the aging-resistant optical adhesive layer, and the aging-resistant optical adhesive layer is located between the screen and the screen display area on the back of the white glass.

[0013] In the above-mentioned column plate of an integrated screen, the transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%, and the transmittance of infrared light of 850nm-940nm is ≥80%.

[0014] As a fifth method, in the column plate of the above-mentioned integrated screen, the outer panel is white glass, the back of the white glass is printed with ceramic ink and its screen display area is avoided, the shielded area is shielded by ceramic ink, gray glass or a light-resistant aging layer is arranged on the front of the screen, an optical adhesive layer is arranged between the screen and the screen display area on the back of the white glass, the screen and the gray glass or the light-resistant aging layer are bonded to the screen display area on the back of the white glass through the optical adhesive layer, and the gray glass or the light-resistant aging layer is located between the screen and the optical adhesive layer.

[0015] In the above-mentioned column plate of an integrated screen, the transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%, and the transmittance of infrared light of 850nm-940nm is ≥80%.

[0016] As a sixth method, in the above-mentioned column plate of an integrated screen, the outer panel is gray glass, the back of the glass is printed with ceramic ink and its screen display area is avoided, the shielded area is shielded by ceramic ink, and the screen has an optical adhesive layer. The screen is bonded to the screen display area on the back of the gray glass through the optical adhesive layer, and the optical adhesive layer is located between the screen and the screen display area on the back of the gray glass.

[0017] In the above-mentioned column plate of an integrated screen, the transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of the visible light of 380nm-780nm is between 15% and 40%.

[0018] Compared with the prior art, the utility model has the advantage of isolating ultraviolet light in different ways, improving the light aging and yellowing problem of the column plate screen, meeting the light aging conditions of the exterior decoration, and can meet the ultraviolet optical band of 340nm for a long time of more than 1500h. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the column plate of the integrated screen;

[0020] Figure 2 This is a schematic diagram of the internal structure of the first type of column plate of the integrated screen;

[0021] Figure 3 This is a schematic diagram of the internal structure of the second type of column plate of the integrated screen;

[0022] Figure 4 This is a schematic diagram of the internal structure of the third type of column plate of the integrated screen;

[0023] Figure 5This is a schematic diagram of the internal structure of the fourth type of column plate of the integrated screen;

[0024] Figure 6 This is a schematic diagram of the internal structure of the fifth mode of the column plate of the integrated screen;

[0025] Figure 7 It is a schematic diagram of the internal structure of the sixth type of column plate of the integrated screen. DETAILED DESCRIPTION

[0026] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0027] In the figure, inner panel 100; display area opening 101; screen 200; outer panel 300; white glass 301; gray glass 302; anti-aging coating 400; screen display area 500; light-resistant aging film 600; optical adhesive layer 700; ceramic ink 800; semi-transparent light-resistant aging ink 900; opaque light-resistant aging ink 1000; anti-aging optical adhesive layer 1001; gray glass 1002.

[0028] like Figure 1 As shown, the column plate of the integrated screen includes an inner plate 100, a screen 200 and an outer plate 300. The inner plate 100 is provided with a display area opening 101, the screen 200 is located at the display area opening 101, a glass cover is provided on the upper surface of the inner plate 100, an anti-aging component is provided between the screen 200 and the outer plate 300, the middle of the back of the outer plate 300 is a screen display area 500, and both sides are shielding areas. Here, the patent uses the anti-aging component to process the ultraviolet optical band 340nm, and the exposure time is more than 1500h to prevent the screen 200 from yellowing and causing the screen 200 to not display normally. Here, the thickness of the outer plate 300 is 3.0-4.0mm glass (safety glass, laminated glass, tempered glass Glass, regional tempered glass and other automotive glass), ink is made by printing on the back of the glass (the printing method can be screen printing or pad printing), the inner panel 100 is a plastic bracket, and the inner panel 100 with a wall thickness of 1.5-5.0mm is realized by plastic particle injection molding, and the glass of the outer panel 300 and the plastic bracket of the inner panel 100 are bonded together with glue; finally, the screen 200 is bonded to the screen display area 500 with optical glue through the OCR / OCA process, and the sample is placed in a degassing machine for degassing treatment to eliminate bubbles to ensure the normal display of the screen 200. After the screen 200 is lit, the outer panel 300 of the glass can achieve animation effects and has a touch screen function. The following are mainly divided into six ways to achieve the anti-aging process.

[0029] Embodiment 1

[0030] like Figure 2 As shown, the outer panel 300 is white glass 301, the aging-resistant part is an aging-resistant coating 400, the back of the white glass 301 is printed with ceramic ink 800 and its screen display area 500 is avoided, the shielded area is shielded by the ceramic ink 800, and the printing method of the ceramic ink 800 can be screen printing or pad printing, and the screen 200 has an optical adhesive layer 700, and the aging-resistant coating 400 is printed at the screen display area 500 on the back of the white glass 301, and the optical adhesive layer 700 is used to bond and connect with the screen 200. Here, the white light transmittance of the aging-resistant coating 400 is 10%-40%, and the transmittance of the optical adhesive layer 700 is close to 100%. The aging-resistant coating 400 is located between the optical adhesive layer 700 and the screen display area 500 on the back of the white glass 301, so that the screen 200 does not affect the display animation effect after lighting and has a touch screen function, and does not show The surface is shown to achieve an integrated black effect. Here, the anti-aging coating 400, the optical adhesive layer 700 and the white glass 310 are used to control the transmittance of the entire column plate in the overall optical ultraviolet light 300nm-380nm band ≤15%; the visible light 380nm-780nm transmittance is 15%-40%; the infrared 850nm-940nm band transmittance is ≥80%. It can be seen that due to the control of the transmittance of the ultraviolet light 300nm-380nm band, more ultraviolet light can be isolated from entering the screen 200, thereby preventing the screen 200 from aging. At the same time, controlling the visible light 380nm-780nm transmittance can ensure the brightness of the screen 200, while meeting the optical requirements of the screen and the TOF camera, and the assembly meets the light aging requirements. After the glass screen is bonded and the camera is assembled, an integrated black effect is achieved.

[0031] Embodiment 2

[0032] like Figure 3The outer panel 300 is white glass 301, the anti-aging part is a light-resistant film 600, the back of the white glass 301 is printed with ceramic ink 800 and its screen display area 500 is avoided, the shielded area is shielded by the ceramic ink 800, and the printing method of the ceramic ink 800 can be screen printing or pad printing, and the screen 200 has an optical adhesive layer 700, and the light-resistant film 600 is bonded to the screen display area 500 on the back of the white glass 301, and the optical adhesive layer 700 is used to bond and connect with the screen 200, the material of the light-resistant film 600 is plastic or glass, and the white light transmittance of the light-resistant film 600 is 10%-40%, and the transmittance of the optical adhesive layer 700 is close to 100%, and the light-resistant film 600 is located between the optical adhesive layer 700 and the screen display area 500 on the back of the white glass 301, so that the screen 200 does not affect the display animation after it is lit. The screen 200 has an integrated black surface when not in use. The light-resistant film 600, the optical adhesive layer 700 and the white glass 310 are used to control the transmittance of the entire column plate in the overall optical ultraviolet light band of 300nm-380nm to be ≤15%; the transmittance of visible light of 380nm-780nm is 15%-40%; the transmittance of infrared light of 850nm-940nm is ≥80%. It can be seen that due to the control of the transmittance of the ultraviolet light band of 300nm-380nm, more ultraviolet light can be isolated from entering the screen 200, thereby preventing the screen 200 from aging. At the same time, controlling the transmittance of visible light of 380nm-780nm can ensure the brightness of the screen 200, while meeting the optical requirements of the screen and the TOF camera. The assembly meets the light aging requirements. After the glass screen is bonded and the camera is assembled, an integrated black surface is achieved.

[0033] Embodiment 3

[0034] like Figure 4As shown, the outer plate 300 is white glass 301, and the anti-aging component is light-resistant ink. The light-resistant ink is divided into semi-transparent light-resistant ink 900 and opaque light-resistant ink 1000. The back of the white glass 301 is printed with semi-transparent light-resistant ink 900 as a whole, and a layer of opaque light-resistant ink 1000 is printed in the shielded area. The printing method can be screen printing or pad printing. The screen 200 has an optical adhesive layer 700, and is bonded to the screen 200 using the optical adhesive layer 700. The white light transmittance of the semi-transparent light-resistant ink 900 is 10%-40%, and the transmittance of the optical adhesive layer 700 is close to 100%. The semi-transparent light-resistant ink 900 is located between the optical adhesive layer 700 and the screen display area 500 on the back of the white glass 301. In this way, the screen 200 does not affect the display animation effect after it is lit and has a touch screen function. It is real-time when not displayed. The surface has an integrated black effect. Here, the semi-transparent light-resistant ink 900, the optical adhesive layer 700 and the white glass 310 are used to control the transmittance of the entire column plate in the overall optical ultraviolet light 300nm-380nm band ≤15%; the visible light 380nm-780nm transmittance is 15%-40%; the infrared 850nm-940nm band transmittance is ≥80%. It can be seen that due to the control of the transmittance of the ultraviolet light 300nm-380nm band, more ultraviolet light can be isolated from entering the screen 200, thereby preventing the screen 200 from aging. At the same time, controlling the visible light 380nm-780nm transmittance can ensure the brightness of the screen 200, while meeting the optical requirements of the screen and the TOF camera, and the assembly meets the light aging requirements. After the glass screen is bonded and the camera is assembled, an integrated black effect is achieved.

[0035] Embodiment 4

[0036] like Figure 5As shown, the outer panel 300 is white glass 301, and the back of the white glass 301 is printed with ceramic ink 800 to avoid the screen display area 500, and the shielded area is shielded by the ceramic ink 800. The printing method can be screen printing or pad printing. The screen 200 has an aging-resistant optical adhesive layer 1001, and the screen 200 is bonded to the screen display area 500 on the back of the white glass 301 through the aging-resistant optical adhesive layer 1001. The aging-resistant optical adhesive layer 1001 is located between the screen 200 and the screen display area 500 on the back of the white glass 301. The white light transmittance of the aging-resistant optical adhesive layer 1001 is 10%-40%. Here, the aging-resistant optical adhesive layer 1001 is bonded to the screen display area 500 on the back of the white glass 301 through the OCR / OCA process. The aging-resistant optical adhesive layer 1001 satisfies the requirement that the sample is placed in a degassing machine for degassing treatment to remove bubbles to ensure that the screen 200 Display effect: after the screen 200 is turned on, it does not affect the display animation effect and has a touch screen function. Here, the aging-resistant optical adhesive layer 1001 and the white glass 310 are used to control the transmittance of the entire column plate when the overall optical ultraviolet light band is 300nm-380nm is ≤15%; the visible light 380nm-780nm transmittance is 15%-40%; the infrared 850nm-940nm band transmittance is ≥80%. It can be seen that due to the control of the transmittance of the ultraviolet light 300nm-380nm band, more ultraviolet light can be isolated from entering the screen 200, thereby preventing the screen 200 from aging. At the same time, controlling the visible light 380nm-780nm transmittance can ensure the brightness of the screen 200, while meeting the optical requirements of the screen and the TOF camera. The assembly meets the light aging requirements. After the glass screen is bonded and the camera is assembled, an integrated black effect is achieved.

[0037] Embodiment 5

[0038] like Figure 6As shown, the outer panel 300 is white glass 301, the back of the white glass 301 is printed with ceramic ink 800 and the screen display area 500 is kept clear, the shielding area is shielded by the ceramic ink 800, and the printing method can be screen printing or pad printing, the front of the screen 200 is arranged with gray glass 1002 or a light aging resistant layer, and an optical adhesive layer 700 is arranged between the screen 200 and the screen display area 500 on the back of the white glass 301, and the screen 200 and the gray glass 1002 or the light aging resistant layer are connected. The whole composed of the aging layer is bonded to the screen display area 500 on the back of the white glass 301 through the optical adhesive layer 700. The gray glass 1002 or the light aging layer is located between the screen 200 and the optical adhesive layer 700. The white light transmittance of the gray glass 1002 or the light aging layer is 10%-40%. The whole screen 200 is bonded to the screen display area 500 on the back of the white glass 301 by the optical adhesive layer 700 through the OCR / OCA process. The sample is placed in the degassing machine for degassing. Bubble treatment is performed to eliminate bubbles to ensure the display effect of the screen 200. After the screen 200 is lit, the display animation effect is not affected and it has a touch screen function. Here, the gray glass 1002 or the light-resistant aging layer, the optical adhesive layer 700 and the white glass 310 are used to control the entire column plate so that the transmittance of the overall optical ultraviolet light 300nm-380nm band is ≤15%; the visible light 380nm-780nm transmittance is 15%-40%; the infrared 850nm-940nm band transmittance is ≥80%. It can be seen that due to the control of the transmittance of the ultraviolet light 300nm-380nm band, more ultraviolet light can be isolated from entering the screen 200, thereby preventing the screen 200 from aging. At the same time, controlling the visible light 380nm-780nm transmittance can ensure the brightness of the screen 200, while meeting the optical requirements of the screen and the TOF camera, and the assembly meets the light aging requirements. After the glass screen is bonded and the camera is assembled, an integrated black effect is achieved.

[0039] Embodiment 6

[0040] like Figure 7As shown, the outer panel 300 is a gray glass 302, and the back of the glass is printed with ceramic ink 800 to avoid the screen display area 500, and the shielded area is shielded by the ceramic ink 800. The printing method can be screen printing or pad printing. The screen 200 has an optical adhesive layer 700. The screen 200 is bonded to the screen display area 500 on the back of the gray glass 302 through the optical adhesive layer 700. The optical adhesive layer 700 is located between the screen 200 and the screen display area 500 on the back of the gray glass 302. The white light transmittance of the gray glass 302 is 10%-40%. Here, the gray glass 302 is used to directly isolate ultraviolet rays. After the screen 200 is lit It does not affect the display animation effect and has a touch screen function. When not displaying, it achieves an integrated black effect on the surface. Here, the gray glass 302 and the optical adhesive layer 700 are used to control the transmittance of the entire column plate when the overall optical ultraviolet light band is 300nm-380nm ≤15%; the visible light 380nm-780nm transmittance is 15%-40%; more ultraviolet light can be isolated from entering the screen 200, thereby preventing the screen 200 from aging. At the same time, controlling the visible light 380nm-780nm transmittance can ensure the brightness of the screen 200 and meet the screen light aging requirements. After the glass screen is bonded and assembled, an integrated black effect is achieved.

[0041] The specific embodiments described in this article are merely examples of the spirit of the present invention. Technicians in the technical field to which the present invention belongs may make various modifications or additions to the described specific embodiments or replace them in a similar manner, but they will not deviate from the scope defined by the spirit of the present invention.

Claims

1. A column plate with integrated screen, characterized in that: It includes an inner panel, a screen and an outer panel. The inner panel is provided with a display area opening, the screen is located at the display area opening, a glass cover is on the upper surface of the inner panel, and an anti-aging component is arranged between the screen and the outer panel.

2. The column plate of the integrated screen according to claim 1, characterized in that: The middle of the back side of the outer panel is a screen display area, and both sides are shielding areas.

3. The column plate of the integrated screen according to claim 2, characterized in that: The outer panel is white glass, the aging-resistant part is an aging-resistant coating, the back of the white glass is printed with ceramic ink and its screen display area is left blank, the shielded area is shielded by ceramic ink, the screen has an optical adhesive layer, the aging-resistant coating is printed at the screen display area on the back of the white glass, and the optical adhesive layer is used to bond and connect the screen, and the aging-resistant coating is located between the optical adhesive layer and the screen display area on the back of the white glass.

4. The column plate of the integrated screen according to claim 3, characterized in that: The transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%; and the transmittance of infrared light of 850nm-940nm is ≥80%.

5. The column plate of the integrated screen according to claim 2, characterized in that: The outer panel is white glass, the aging-resistant part is a light-resistant aging film, the back of the white glass is printed with ceramic ink and its screen display area is kept clear, the shielded area is shielded by ceramic ink, the screen has an optical adhesive layer, the light-resistant aging film is bonded to the screen display area on the back of the white glass, and is bonded and connected to the screen using the optical adhesive layer, and the light-resistant aging film is located between the optical adhesive layer and the screen display area on the back of the white glass.

6. The column plate of the integrated screen according to claim 5, characterized in that: The transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%; and the transmittance of infrared light of 850nm-940nm is ≥80%.

7. The column plate of the integrated screen according to claim 2, characterized in that: The outer panel is white glass, and the aging-resistant part is light-resistant ink. The light-resistant ink is divided into semi-transparent light-resistant ink and opaque light-resistant ink. The back of the white glass is printed with semi-transparent light-resistant ink as a whole, and a layer of opaque light-resistant ink is printed in the shielded area. The screen has an optical adhesive layer and is bonded to the screen using the optical adhesive layer. The semi-transparent light-resistant ink is located between the optical adhesive layer and the screen display area on the back of the white glass.

8. The column plate of integrated screen according to claim 7, characterized in that: The transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%; and the transmittance of infrared light of 850nm-940nm is ≥80%.

9. The column plate of integrated screen according to claim 2, characterized in that: The outer panel is white glass, the back of the white glass is printed with ceramic ink and the screen display area is left blank, the shielded area is shielded by ceramic ink, the screen has an aging-resistant optical adhesive layer, the screen is bonded to the screen display area on the back of the white glass through the aging-resistant optical adhesive layer, and the aging-resistant optical adhesive layer is located between the screen and the screen display area on the back of the white glass.

10. The column plate with integrated screen according to claim 9, characterized in that: The transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%; and the transmittance of infrared light of 850nm-940nm is ≥80%.

11. The column plate of integrated screen according to claim 2, characterized in that: The outer panel is white glass, the back of the white glass is printed with ceramic ink and its screen display area is kept clear, the shielded area is shielded by ceramic ink, gray glass or a light-resistant aging layer is arranged on the front of the screen, an optical adhesive layer is arranged between the screen and the screen display area on the back of the white glass, the screen and the gray glass or the light-resistant aging layer are bonded to the screen display area on the back of the white glass through the optical adhesive layer, and the gray glass or the light-resistant aging layer is located between the screen and the optical adhesive layer.

12. The column plate of integrated screen according to claim 11, characterized in that: The transmittance of the column plate in the optical ultraviolet light band of 300nm-380nm is ≤15%; the transmittance of visible light of 380nm-780nm is between 15%-40%; and the transmittance of infrared light of 850nm-940nm is ≥80%.

13. The column plate of integrated screen according to claim 2, characterized in that: The outer panel is gray glass, the back of the glass is printed with ceramic ink and its screen display area is left blank, the shielded area is shielded by ceramic ink, the screen has an optical adhesive layer, the screen is bonded to the screen display area on the back of the gray glass through the optical adhesive layer, and the optical adhesive layer is located between the screen and the screen display area on the back of the gray glass.

14. The column plate of integrated screen according to claim 13, characterized in that: The transmittance of the optical ultraviolet light of the column plate in the wavelength band of 300nm-380nm is less than or equal to 15%; the transmittance of the visible light in the wavelength band of 380nm-780nm is between 15% and 40%.

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