CN218240598U - Composite microstructure cover plate glass for display and display - Google Patents
Composite microstructure cover plate glass for display and display Download PDFInfo
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- CN218240598U CN218240598U CN202221388439.2U CN202221388439U CN218240598U CN 218240598 U CN218240598 U CN 218240598U CN 202221388439 U CN202221388439 U CN 202221388439U CN 218240598 U CN218240598 U CN 218240598U
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Abstract
The utility model discloses a glass cover plate and display for install on display module assembly, compound micro-structure glass cover plate includes the glass substrate, sets up the glass substrate deviates from the surface treatment layer and the setting of display module assembly one side are in the first microprism structural layer and the printing ink layer of glass substrate opposite side, the printing ink layer covers the glass substrate is close to four sides of display module assembly one side are peripheral, first microprism structure includes a plurality of first strip prisms that distribute in proper order along the side of display module assembly, the bottom surface of first strip prism with the glass substrate is fixed, the both ends of first strip prism extend to with the edge of glass substrate flush or with the printing ink layer overlap. By adding the micro prism structure on the glass substrate, the brightness of the side viewing angle of the light emitted by the display at left and right sides of the horizontal direction is greatly improved, and the display is suitable for application scenes commonly used by multiple people.
Description
Technical Field
The utility model relates to a display technical field, concretely relates to composite microstructure cover plate glass and display for display.
Background
With the development of display technology, the application of display devices is more and more extensive, and the proportion of people to acquire information through the display devices is higher and higher. At present, the display device is mainly applied to the fields of personal mobile phones, tablet computers, notebook computers, household televisions, education tablets, education blackboards, electronic whiteboards, conference displays, medical displays, industrial control displays, vehicle-mounted displays, commercial advertisements and the like. In many application scenarios, a display device is used by multiple people to watch a display screen, such as a television, an educational blackboard, a conference machine, an electronic whiteboard, a vehicle-mounted central control, and so on. This is because in the current display device, the main display function devices include a liquid crystal display module, an OLED display module, or an inorganic LED display module, which have the maximum vertical viewing angle brightness, the best contrast, and the best viewing effect, but as the viewing angle becomes larger, the brightness and contrast decay rapidly, which results in the poor viewing effect and experience when the user views at a larger viewing angle.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a can promote the horizontal side view angle luminance of display, reduce the compound micro-structure cover plate glass and the display that are used for the display of horizontal side view angle and perpendicular visual angle luminance difference, the technical scheme of adoption is:
the utility model provides a compound micro-structure cover plate glass for display, compound micro-structure cover plate glass is used for installing on display module assembly, and compound micro-structure cover plate glass includes the glass substrate, sets up the glass substrate deviates from the surface treatment layer of display module assembly one side and sets up first microprism structural layer and the printing ink layer of glass substrate opposite side, the printing ink layer covers the glass substrate is close to four sides periphery of display module assembly one side, first microprism structure includes a plurality of first strip prisms that distribute in proper order along the side of display module assembly, the bottom surface of first strip prism with the glass substrate is fixed, the both ends of first strip prism extend to with the edge of glass substrate flushes or with the printing ink layer overlap.
Preferably, the cross section of the first strip-shaped prism is an isosceles triangle or an isosceles trapezoid.
Preferably, the vertex angle of the isosceles triangle is 30-135 degrees, and the vertex angle of the isosceles trapezoid is 105-158 degrees.
Preferably, the first strip-shaped prism is in a straight strip shape, a wave shape or a fold line shape.
Preferably, the width of the bottom of the first stripe-shaped prism is 0.5-500 μm.
Preferably, both ends of the first strip-shaped prisms extend to be flush with the edge of the glass substrate or overlap with the ink layer.
A display comprises a display module and the composite microstructure cover plate glass, wherein the composite microstructure cover plate glass is arranged on the display module, and the display module is a liquid crystal display module, an OLED direct display module or an LED direct display module.
Preferably, the composite microstructure cover plate glass is bonded on the display module through a first optical transparent adhesive layer, the refractive index of the first optical transparent adhesive layer is 1.3-1.5, and the refractive index of the first strip-shaped prism is 1.5-2.2;
or the composite microstructure cover plate glass is bonded with the non-display area at the periphery of the display module through the first structure glue layer.
Preferably, a touch functional layer can be further arranged between the display module and the composite microstructure cover plate glass.
Preferably, the touch control functional layer is bonded on the display module through the whole surface of the second transparent optical adhesive or is connected with the non-display area on the periphery of the display module through the second structural adhesive layer.
Preferably, the display module is provided with a brightness enhancement film, the brightness enhancement film is distributed between the upper diffusion film and the lower diffusion film, one side of the brightness enhancement film, which is far away from the light guide plate, is provided with a third micro-prism structure, the third micro-prism structure comprises a plurality of third strip-shaped prisms which are sequentially distributed along the long edge of the display module, and the length direction of the third strip-shaped prisms is perpendicular to the length direction of the first strip-shaped prisms.
The utility model has the advantages that: by adding the microprism structure on the composite microstructure cover plate glass, the brightness of the horizontal left and right side viewing angles of light emitted by the display is greatly improved, and the composite microstructure cover plate glass is suitable for application scenes commonly used by multiple people.
Drawings
FIG. 1 is a cross-sectional view of a composite microstructured cover glass of example 1;
FIG. 2 is a schematic diagram of the distribution of the ink layer on the glass substrate according to example 1;
FIG. 3 is a schematic structural diagram of a composite microstructured cover glass according to example 1;
FIG. 4 is a schematic structural diagram of a composite microstructured cover glass according to example 2;
FIG. 5 is a schematic structural diagram of a composite microstructured cover glass according to example 3;
FIG. 6 is a schematic diagram of the structure of a composite microstructured cover glass according to example 4;
FIG. 7 is a cross-sectional view of the display described in embodiment 5;
FIG. 8 is a schematic view of the mounting structure of the cover glass of the composite microstructure described in example 5;
FIG. 9 is a sectional view of the display according to embodiment 6;
FIG. 10 is a sectional view of the display according to embodiment 7;
FIG. 11 is a sectional view of the display according to embodiment 8;
FIG. 12 is a sectional view of the display according to embodiment 9;
FIG. 13 is a schematic view of an installation structure of a cover glass and a brightness enhancement film of a composite microstructure as described in example 9.
The specific meanings of the reference numerals are:
10. composite microstructure cover plate glass;
11. a glass substrate; 12. a surface treatment layer; 13. a first microprism structure; 14. a first strip prism; 15. an ink layer;
20. a display module;
21. an Open cell; 211. a lower polarizer; 212. a TFT glass substrate; 213. TFT array & alignment layer; 214. a liquid crystal layer; 215. flat layer & alignment layer; 216. a color resist layer; 217. a color film glass substrate; 218. an ITO layer; 219. an upper polarizer;
22. a backlight module; 221. a metal back plate; 222. a light-reflecting film; 223. a light guide plate; 224. an LED light bar; 225. a lower diffusion film; 226. a brightness enhancement film; 227. an upper diffusion film;
40. a first optically clear adhesive layer; 50. a first structural adhesive layer; 60. a touch functional layer; 61. a second optically clear adhesive layer; 70. a second structural adhesive layer;
80. a third microprism structure;
81. a third strip prism.
Detailed Description
Example 1
Referring to fig. 1, the present embodiment provides a composite microstructure cover glass 10 for a display, where the composite microstructure cover glass 10 includes a glass substrate 11, a surface treatment layer 12 disposed on one side of the glass substrate 11 facing away from a display module 20, and a first micro-prism structure layer 13 and an ink layer 15 disposed on the other side of the glass substrate 11, where the ink layer 15 covers the periphery of the four sides of the glass substrate 11 near one side of the display module 20, the first micro-prism structure 13 includes a plurality of first strip-shaped prisms 14 sequentially distributed along the side of the display module 20, the bottom surfaces of the first strip-shaped prisms 14 are fixed to the glass substrate 11, and two ends of the first strip-shaped prisms 14 extend to be flush with the edge of the glass substrate 11 or overlap with the ink layer 15.
Referring to the attached drawings, by adding the first microprism structure layer 13 to the composite microstructure cover glass 10, the horizontal left and right side view angle brightness of light emitted by the display is greatly improved, and the display is suitable for application scenes commonly used by multiple people.
The cover glass 10 with a composite microstructure according to the present embodiment can be used in a non-touch display module 20, and can also be used in a capacitive, infrared or ultrasonic touch display.
In this embodiment, the first micro-prism structure 13 is formed by fixing an organic or organic-inorganic composite material having a refractive index of 1.5 to 2.2 in the visible light band on the glass substrate 11 by imprint thermal curing or UV curing, and the strip-shaped prism is transparent and has a refractive index of 1.3 to 2.2 after curing.
The glass substrate 11 is preferably physically tempered soda-lime or high-alumina glass with the thickness of 2-5mm or chemically tempered soda-lime or high-alumina glass with the thickness of 0.3-2 mm.
Referring to fig. 1, the surface treatment layer 12 includes one or more of an anti-glare functional layer, an anti-reflection composite nano-structured layer, and an anti-fingerprint layer.
Referring to fig. 1 and 2, an ink layer 15 is disposed on one side of the glass substrate 11 close to the display module 20, the ink layer is distributed on the periphery of the glass substrate 11 close to the display module 20, the distance between the edge of the coverage area of the ink layer 15 and the edge of the glass substrate 11 is usually within 40mm, and the ink layer is usually cured on the periphery of the glass substrate 11 by adopting black, colored, red and other shading materials through silk-screen printing, baking and the like.
Referring to fig. 3, in the present embodiment, the first strip-shaped prisms 14 are straight, the cross sections of the first strip-shaped prisms 14 are isosceles triangles, and when the cross sections of the first strip-shaped prisms 14 are isosceles triangles, the vertex angle of the isosceles triangles is 30 ° to 135 °.
In this embodiment, the composite microstructure cover glass 10 is adhered to the display module 20 through the first optical transparent adhesive layer 40, the refractive index of the first optical transparent adhesive layer 40 is 1.3 to 1.5, the first optical transparent adhesive layer 40 is made of a material having a refractive index of 1.3 to 1.5, the refractive index of the first optical transparent adhesive layer 40 is smaller than the refractive index of the first strip-shaped prism 14, and the effect of the composite microstructure cover glass 10 is better, so that the refractive index of the first strip-shaped prism 14 is selected to be 1.5 to 2.2.
The width of the bottom of the first strip-shaped prism 14 is 0.5-500 μm.
Example 2
Referring to fig. 4, unlike embodiment 1, in this embodiment, the cross section of the first strip prisms 14 is an isosceles trapezoid, and when the cross section of the first strip prisms 14 is an isosceles trapezoid, the vertex angle of the isosceles trapezoid is 105 to 158 °.
Example 3
Referring to fig. 5, unlike embodiment 1, in the present embodiment, the first stripe prisms 14 are in a zigzag shape, and the zigzag-shaped first stripe prisms 14 can be more favorable for preventing the occurrence of interference fringes.
Example 4
Referring to fig. 6, unlike embodiment 1, in the present embodiment, the first strip prisms 14 have a wave shape, and the wave-shaped first strip prisms 14 are more favorable for preventing the occurrence of interference fringes.
Example 5
Referring to fig. 7, the present embodiment provides a display, including a liquid crystal display module 20 and the composite microstructure cover glass 10 according to embodiment 1, where the liquid crystal display module 20 includes an Open cell21 and a backlight module 22, and the composite microstructure cover glass 10 is disposed on a side of the Open cell21 away from the backlight module 22.
At present, the Open cell21 of the commonly used liquid crystal display module 20 may be regarded as being formed by a plurality of pixels, each pixel is square, each pixel is formed by three red, green and blue strip-shaped sub-pixels, the short sides of the sub-pixels are arranged and distributed along the long side of the display module 20, referring to fig. 8, the pixel arrangement of the 4K resolution display screen is shown, and the backlight module 22 provides white light with uniform brightness. In this embodiment, the length direction of the first stripe prisms 14 is the same as the length direction of the stripe sub-pixels.
Referring to fig. 7, the Open cell21 includes a lower polarizer 211, a TFT glass substrate 212, a TFT array & alignment layer 213, a liquid crystal layer 214, a planarization layer & alignment layer 215, a color resist layer 216, a color filter glass substrate 217, an ITO layer 218, and an upper polarizer 219, and the cover glass is mounted on the upper polarizer 219.
The backlight module 22 includes a metal back plate 221, a reflective film 222, a light guide plate 223, an LED light bar 224, a lower diffusion film 225, a brightness enhancement film 226 and an upper diffusion film 227, wherein the brightness enhancement film 226 in this embodiment includes an upper brightness enhancement film and a lower brightness enhancement film, the upper brightness enhancement film, the lower brightness enhancement film and the upper diffusion film can be replaced by a composite brightness enhancement film with a diffusion function, a second micro-prism structure is disposed on each of the upper brightness enhancement film and the lower brightness enhancement film, the second micro-prism structure includes a plurality of second strip prisms, the second strip prisms have the same structure as the first strip prisms, and the second micro-prism structure is disposed on the side of the upper brightness enhancement film and the lower brightness enhancement film opposite to the light guide plate, so that light from the light guide plate passes through the lower diffusion film and then is directed to a large-angle light in the lateral direction to change the light path direction, so that the light from the light guide plate is directed to the Open cell21 along the direction perpendicular to the display screen as much as possible, thereby improving the brightness of the display module 20.
The second micro prism structure is integrally made on organic plastic base materials such as PET, PC or PMMA, and when the second micro prism structure is used, a certain included angle is formed between the length direction of the second strip-shaped prism and the length direction of the pixel.
Preferably, the cover glass 10 with the composite microstructure is further provided with a surface treatment layer 12, the surface treatment layer 12 is an AF layer, an AR/AF layer or an AG/AR/AF layer, and in this embodiment, the surface treatment layer 12 is an AG/AR/AF layer.
In this embodiment, the composite microstructure cover glass 10 is attached to the Open cell21 through the first optically transparent adhesive layer 40.
In other embodiments, the liquid crystal display module 20 can be replaced by an OLED and LED direct display module.
Example 6
Referring to fig. 9, the difference from embodiment 5 is that a touch functional layer 60 is disposed between the Open cell21 and the composite microstructure cover glass 10, the touch functional layer 60 is adhered to the Open cell21 through a second optically transparent adhesive layer 61, and the composite microstructure cover glass 10 is adhered to the touch functional layer 60 through a first optically transparent adhesive layer 40.
Example 7
Referring to fig. 10, the difference between the present embodiment and embodiment 6 is that the touch functional layer 60 is frame-attached to the display module 20 through the second structural adhesive layer 70, and the second structural adhesive layer 70 is adhered to the non-display area around the display module 20, so that the frame-attaching cost is low, and the side view angle brightness enhancement effect in the horizontal left-right direction is the same.
Example 8
Referring to fig. 11, the difference from embodiment 5 is that the periphery of the cover glass 10 with a composite microstructure is bonded to the non-display area of the display module 20 through the first structural adhesive layer 50, so that the frame attachment cost is low, and the same horizontal left-right direction side view angle brightness enhancement effect is achieved; the first strip-shaped prisms 14 on the composite microstructure cover plate glass 10 have a wider material selection range, and organic or organic-inorganic composite materials with the refractive index of 1.3-2.2 in the visible light wave band can be selected.
Example 9
Referring to fig. 12-13, the difference from embodiment 1 is that a backlight film of the display module 20 has a brightness enhancement film 226, the brightness enhancement film 226 is disposed between the upper diffusion film and the lower diffusion film, a third micro-prism structure 80 is disposed on a side of the brightness enhancement film away from the light guide plate, the third micro-prism structure 80 includes a plurality of third strip-shaped prisms 81 sequentially disposed along a long side of the display module 20, referring to fig. 12, a length direction of a strip-shaped sub-pixel of an open cell21 is perpendicular to a length direction of a first strip-shaped prism 14 on the composite micro-structured cover glass 10, and a length direction of a third strip-shaped prism 81 on the brightness enhancement film 226 in the backlight is parallel to the length direction of the strip-shaped sub-pixel.
The third prisms 81 on the brightness enhancement film can be in the shape of straight bars, dog-legged shapes, and wavy shapes, wherein the dog-legged shapes and wavy shapes are advantageous in preventing the occurrence of interference fringes.
The present invention is not limited to the above embodiments, and equivalent modifications and substitutions may be made by those skilled in the art without departing from the spirit of the present invention, and the equivalents and substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (9)
1. The composite micro-structure cover plate glass for the display is used for being installed on a display module (20), and is characterized in that the composite micro-structure cover plate glass (10) comprises a glass substrate (11), a surface treatment layer (12) arranged on one side, away from the display module (20), of the glass substrate (11), and a first micro-prism structure (13) and an ink layer (15) arranged on the other side of the glass substrate (11), wherein the ink layer (15) covers the periphery of the four sides, close to one side of the display module (20), of the glass substrate (11), the first micro-prism structure (13) comprises a plurality of first strip-shaped prisms (14) which are sequentially distributed along the side edge of the display module (20), the bottom surfaces of the first strip-shaped prisms (14) are fixed with the glass substrate (11), and the two ends of the first strip-shaped prisms (14) extend to be flush with the edge of the glass substrate (11) or overlap with the ink layer (15).
2. The cover glass of claim 1, wherein the cross section of the first strip prisms (14) is an isosceles triangle or an isosceles trapezoid.
3. The composite microstructured cover glass for a display according to claim 2, wherein the vertex angle of the isosceles triangle is 30 ° to 135 °, and the vertex angle of the isosceles trapezoid is 105 ° to 158 °.
4. The cover glass of claim 1, wherein the first strip prisms (14) are in the shape of straight strips, waves, or dog-legged.
5. The cover glass for a display according to claim 1, wherein the first strip prisms (14) have a base width of 0.5-500 μm.
6. A display, characterized by comprising a display module (20) and the composite microstructure cover glass (10) as claimed in any one of claims 1 to 5, wherein the composite microstructure cover glass (10) is mounted on the display module (20), and the display module (20) is a liquid crystal display module, an OLED direct display module or an LED direct display module.
7. The display according to claim 6, wherein the composite micro-structured cover glass (10) is bonded to the display module (20) through a first optically transparent adhesive layer (40), the refractive index of the first optically transparent adhesive layer (40) is 1.3-1.5, and the refractive index of the first strip prisms (14) is 1.5-2.2;
or the composite microstructure cover plate glass (10) is bonded with the non-display area at the periphery of the display module (20) through the first structure glue layer (50).
8. The display according to claim 6, wherein a touch functional layer (60) is further disposed between the display module (20) and the cover glass (10), the touch functional layer (60) is bonded to the display module (20) through a second optically transparent adhesive (61),
or the touch control functional layer (60) is connected with the non-display area on the periphery of the display module (20) through a second structure adhesive layer (70).
9. The display according to claim 6, wherein the display module (20) has a piece of brightness enhancement film, and the brightness enhancement film is distributed between the upper diffusion film and the lower diffusion film, a third micro-prism structure (80) is disposed on a side of the brightness enhancement film away from the light guide plate, the third micro-prism structure (80) comprises a plurality of third strip-shaped prisms (81) sequentially distributed along a long side of the display module (20), and a length direction of the third strip-shaped prisms (81) is perpendicular to a length direction of the first strip-shaped prisms (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221388439.2U CN218240598U (en) | 2022-06-06 | 2022-06-06 | Composite microstructure cover plate glass for display and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221388439.2U CN218240598U (en) | 2022-06-06 | 2022-06-06 | Composite microstructure cover plate glass for display and display |
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| Publication Number | Publication Date |
|---|---|
| CN218240598U true CN218240598U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221388439.2U Active CN218240598U (en) | 2022-06-06 | 2022-06-06 | Composite microstructure cover plate glass for display and display |
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| CN (1) | CN218240598U (en) |
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- 2022-06-06 CN CN202221388439.2U patent/CN218240598U/en active Active
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