CN214310967U - Polaroid and display panel - Google Patents
Polaroid and display panel Download PDFInfo
- Publication number
- CN214310967U CN214310967U CN202120661262.8U CN202120661262U CN214310967U CN 214310967 U CN214310967 U CN 214310967U CN 202120661262 U CN202120661262 U CN 202120661262U CN 214310967 U CN214310967 U CN 214310967U
- Authority
- CN
- China
- Prior art keywords
- polaroid
- layer
- display panel
- polarizer
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a polaroid and display panel, the polaroid includes: the micro-lens substrate layer is provided with a plurality of adjacent lens units on one side surface; the optical adhesive layer is positioned on one side of the micro-lens substrate layer and covers the lens unit; and the original polaroid is positioned on the surface of one side of the optical adhesive layer, which is opposite to the microlens substrate layer. The transmittance of the polarizer is improved.
Description
Technical Field
The utility model relates to a show technical field, concretely relates to polaroid and display panel.
Background
In the field of display technology, a polarizer is an indispensable key functional layer of a liquid crystal display panel, and mainly functions to control the polarization direction of light, so that the light passes through or is blocked. The basic structure of the polarizer includes: the most central PVA (polyvinyl alcohol), two layers of TAC (cellulose triacetate), PSA film (pressure sensitive adhesive), Release film (Release film) and Protective film (Protective film).
Due to the existence of the light transmittance and the filtering effect of the polarizer, the brightness of the screen is obviously reduced after the polarizer is applied in the display field, and in order to meet the normal use of the screen, the normal brightness display of the screen needs to be maintained by using higher current, which can cause the increase of electric quantity, and the display panel can be accelerated to age under high current, so that the service life of the device is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art display panel and having the problem that the luminousness is low because of using the polaroid to a polaroid and display panel are provided.
The utility model provides a polaroid, include: the micro-lens substrate layer is provided with a plurality of adjacent lens units on one side surface; the optical adhesive layer is positioned on one side of the micro-lens substrate layer and covers the lens unit; and the original polaroid is positioned on the surface of one side of the optical adhesive layer, which is opposite to the microlens substrate layer.
Optionally, the lens unit includes a convex lens or a fresnel lens.
Optionally, the original polarizer includes: first and second opposite layers of triacetylcellulose, and a layer of polyvinyl alcohol between the first and second layers of triacetylcellulose.
Optionally, the light transmittance of the optical adhesive layer is greater than or equal to 90%.
Optionally, the method further includes: and the protective layer is positioned on the surface of one side of the original polaroid, which is opposite to the optical adhesive layer.
Optionally, the method further includes: and the pressure-sensitive adhesive layer is positioned on the surface of one side, back to the original polaroid, of the micro-lens substrate layer.
The utility model also provides a display panel, include the utility model provides a polaroid still includes: and the polaroid is at least positioned on the surface of the light emergent direction of the display module.
Optionally, the display panel is a liquid crystal display panel; the display panel further includes: the backlight module is positioned at one side of the display module; the polaroid comprises a first polaroid and a second polaroid, the first polaroid is positioned between the display module and the backlight module, and the second polaroid is positioned on one side of the display module, which faces away from the backlight module; the micro-lens substrate layer in the first polaroid is positioned between the original polaroid in the first polaroid and the backlight module; and the micro-lens substrate layer in the second polaroid is positioned between the display module and the original polaroid in the second polaroid.
Optionally, the backlight module includes a light source layer and a light transmissive layer, where the light transmissive layer is located between the light source layer and the first polarizer; the ratio of the refractive index of the micro-lens substrate layer in the first polaroid to the refractive index of the light-transmitting layer is 0.9-1.1.
Optionally, the display panel is an OLED display panel; the polaroid is only positioned on one side of the light emitting direction of the display module.
The technical scheme of the utility model following beneficial effect has:
1. the utility model discloses technical scheme provides a polaroid, include: the micro-lens substrate layer is provided with a plurality of adjacent lens units on one side surface; the optical adhesive layer is positioned on one side of the micro-lens substrate layer, covers the lens units and fills the areas between the adjacent lens units; and the original polaroid is positioned on the surface of one side of the optical adhesive layer, which is opposite to the microlens substrate layer. The lens units in the microlens substrate layer have the characteristic of converging light rays, so that more light rays can be transmitted along the original polarizer direction, light ray scattering is weakened, and the light transmittance of the polarizer is improved. Set up the optics glue film between former polaroid and lens unit, can bond the reliability that improves the polaroid together with former polaroid at the microlens substrate layer, can effectively reduce the air in the microlens substrate layer simultaneously and further improve the luminousness of polaroid to the scattering of light.
Secondly, the lens units are adjacently arranged, so that the problem that light rays show bright and dark intervals on the original polaroid due to gaps between the lens units is avoided, and the display effect is improved.
2. The utility model provides a display panel, include the utility model provides a polaroid because the polaroid luminousness is high, has increased display panel's luminance. Secondly, the scheme does not need to increase current for increasing the brightness of the display panel, thereby avoiding accelerated aging of the display panel and prolonging the service life of the display panel.
3. Further, the ratio of the refractive index of the microlens substrate layer to the refractive index of the light transmitting layer is 0.9-1.1. The refractive index of the micro-lens substrate layer is similar to or the same as that of the light transmission layer, so that scattering of light rays when the light rays are transmitted to the micro-lens substrate layer from the backlight module is avoided, and brightness loss is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a polarizer according to the present invention;
fig. 2 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a display panel according to another embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
An embodiment of the present invention provides a polarizer, please refer to fig. 1, including: a micro-lens substrate layer 2, wherein one side surface of the micro-lens substrate layer 2 is provided with a plurality of adjacent lens units 2 a; the optical adhesive layer 3 is positioned on one side of the micro-lens substrate layer 2 and covers the lens unit 2 a; and the original polarizer 1 is positioned on the surface of one side of the optical adhesive layer 3, which is back to the microlens substrate layer 2.
The inventor researches and discovers that if a gap exists between the lens unit 2a and the lens unit 2a, light rays with intervals of bright, dark, bright and dark appear when the light rays pass through the micro-lens substrate layer 2, namely, the brightness of the light rays passing through the lens unit 2a is higher than that of the light rays passing through the gap between the lens unit 2a and the lens unit 2a, so that the display effect is poor, therefore, in the embodiment, the gap between the adjacent lens units 2a is set to be zero, the display unevenness is avoided, and the display effect is improved.
The microlens substrate layer 2 includes the lens cells 2 a.
The original polarizer 1 includes: first 101 and second 102 opposite cellulose triacetate layers, and a polyvinyl alcohol layer 103 between the first 101 and second 102 cellulose triacetate layers.
The material of the polyvinyl alcohol layer 103 includes polyvinyl alcohol (PVA).
The polyvinyl alcohol layer 103 serves to polarize light.
The material of the first cellulose triacetate layer 101 includes cellulose triacetate (Tri-cellulose Acetate, abbreviated as TCA).
The material of the second cellulose triacetate layer 102 includes cellulose triacetate (Tri-cellulose Acetate, abbreviated as TCA).
The first cellulose triacetate layer 101 and the second cellulose triacetate layer 102 have good optical uniformity and light transmittance, and can isolate moisture and air to protect the polyvinyl alcohol layer 103.
The lens unit 2a includes a convex lens or a fresnel lens, preferably a fresnel lens.
The light passing through the fresnel lens has the advantages of high and uniform brightness.
The light transmittance of the optical adhesive layer 3 is greater than or equal to 90%, for example, 90%, 92%, 95%, or 99%.
In one embodiment, optical cement layer 3 is an OCA optical cement (optical Clear Adhesive).
The OCA optical adhesive is colorless and transparent, has the light transmittance of over 90 percent, has good bonding strength, can be cured at room temperature or middle temperature, and has the characteristic of small curing shrinkage.
With continued reference to fig. 1, the polarizer further includes: and the protective layer 4 is positioned on the surface of one side, back to the optical adhesive layer 3, of the original polarizer 1.
The protective layer 4 has the characteristics of high strength, good transparency, acid and alkali resistance and static electricity resistance, and is suitable for protecting the original polarizer 1 from being damaged by external force.
With continued reference to fig. 1, the polarizer further includes: and the pressure-sensitive adhesive layer 5 is positioned on the surface of one side, back to the original polaroid 1, of the micro-lens substrate layer 2.
The pressure sensitive adhesive layer 5 has good adhesiveness and light transmittance, and is suitable for attaching the original polarizer 1 to the backlight module 6.
The lens units 2a in the microlens substrate layer 2 have the characteristic of converging light rays, so that more light rays can be transmitted along the original polarizer 1, and light ray scattering is weakened, so that the light transmittance of the polarizer is improved. The lens units 2a are adjacently arranged, so that the problem that light rays show bright and dark intervals on the original polarizer 1 due to gaps between the lens units 2a and the lens units 2a is avoided, and the display effect is improved. Set up optical cement layer 3 between former polaroid 1 and lens unit 2a, can bond microlens substrate layer 2 and former polaroid 1 and improve the reliability of polaroid together, can effectively reduce the air in the microlens substrate layer 2 simultaneously and further improve the luminousness of polaroid to the scattering of light.
The utility model discloses another embodiment still provides a display panel, including the polaroid that this embodiment provided, still include: and the polaroid is at least positioned on the surface of the light emergent direction of the display module.
In one embodiment, the display panel is a liquid crystal display panel (LCD), and referring to fig. 3, the display panel further includes: a display module 7 b; and the backlight module 6 is positioned on one side of the display module 7B, the polaroid comprises a first polaroid A and a second polaroid B, the first polaroid A is positioned between the display module 7B and the backlight module 6, and the second polaroid B is positioned on one side of the display module 7B, which is opposite to the backlight module 6.
The micro-lens substrate layer 2 in the first polaroid A is positioned between the original polaroid 1 in the first polaroid A and the backlight module 6. The backlight module 6 is positioned at one side of the pressure-sensitive adhesive layer 5 in the first polaroid A, which is opposite to the microlens substrate layer 2 in the first polaroid A. The backlight module 6 is suitable for providing a light source for the display module 7 b.
For the second polarizer B, the microlens substrate layer 2 in the second polarizer B is located between the display module 7B and the original polarizer 1 in the second polarizer B. The pressure-sensitive adhesive layer 5 in the second polaroid B is positioned between the microlens substrate layer 2 and the display module 7B in the second polaroid B.
Because the light transmittance of the first polaroid A and the second polaroid B is high, the brightness of the display panel is increased, the scheme does not need to increase current for increasing the brightness of the display panel, the accelerated aging of the display panel is avoided, and the service life of the display panel is prolonged.
With reference to fig. 3, the backlight module 6 includes a light source layer 601 and a transparent layer 602, wherein the transparent layer 602 is located between the light source layer 601 and the first polarizer a.
The ratio of the refractive index of the micro-lens substrate layer 2 in the first polarizer A to the refractive index of the light-transmitting layer 602 is 0.9-1.1. For example, 0.9, 1.0 or 1.1, preferably 1.0.
The refractive index of the microlens substrate layer 2 is similar to or the same as that of the euphotic layer 602, so that scattering of light rays when the light rays are transmitted to the microlens substrate layer 2 from the backlight module 6 is avoided, and brightness loss is avoided.
In another embodiment, the display panel is an OLED display panel, and referring to fig. 2, the polarizer is only located on one side of the light emitting direction of the display module 7 a.
The utility model provides a display panel because the polaroid luminousness is high, has increased display panel's luminance. Secondly, the scheme does not need to increase current for increasing the brightness of the display panel, thereby avoiding accelerated aging of the display panel and prolonging the service life of the display panel.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A polarizer, comprising:
the micro-lens substrate layer is provided with a plurality of adjacent lens units on one side surface;
the optical adhesive layer is positioned on one side of the micro-lens substrate layer and covers the lens unit;
and the original polaroid is positioned on the surface of one side of the optical adhesive layer, which is opposite to the microlens substrate layer.
2. The polarizer of claim 1, wherein the lens unit comprises a convex lens or a fresnel lens.
3. The polarizer of claim 1, wherein the primary polarizer comprises: first and second opposite layers of triacetylcellulose, and a layer of polyvinyl alcohol between the first and second layers of triacetylcellulose.
4. The polarizer of claim 1, wherein the optical adhesive layer has a light transmittance of 90% or more.
5. The polarizer of claim 1, further comprising: and the protective layer is positioned on the surface of one side of the original polaroid, which is opposite to the optical adhesive layer.
6. The polarizer of claim 1, further comprising: and the pressure-sensitive adhesive layer is positioned on the surface of one side, back to the original polaroid, of the micro-lens substrate layer.
7. A display panel comprising the polarizer of any one of claims 1 to 6, comprising:
and the polaroid is at least positioned on the surface of the light emergent direction of the display module.
8. The display panel according to claim 7, wherein the display panel is a liquid crystal display panel; the display panel further includes: the backlight module is positioned at one side of the display module; the polaroid comprises a first polaroid and a second polaroid, the first polaroid is positioned between the display module and the backlight module, and the second polaroid is positioned on one side of the display module, which faces away from the backlight module; the micro-lens substrate layer in the first polaroid is positioned between the original polaroid in the first polaroid and the backlight module; and the micro-lens substrate layer in the second polaroid is positioned between the display module and the original polaroid in the second polaroid.
9. The display panel according to claim 8, wherein the backlight module comprises a light source layer and a light transmitting layer, and the light transmitting layer is located between the light source layer and the first polarizer; the ratio of the refractive index of the micro-lens substrate layer in the first polaroid to the refractive index of the light-transmitting layer is 0.9-1.1.
10. The display panel according to claim 7, wherein the display panel is an OLED display panel; the polaroid is only positioned on one side of the light emitting direction of the display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661262.8U CN214310967U (en) | 2021-03-31 | 2021-03-31 | Polaroid and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661262.8U CN214310967U (en) | 2021-03-31 | 2021-03-31 | Polaroid and display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214310967U true CN214310967U (en) | 2021-09-28 |
Family
ID=77837695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120661262.8U Active CN214310967U (en) | 2021-03-31 | 2021-03-31 | Polaroid and display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214310967U (en) |
-
2021
- 2021-03-31 CN CN202120661262.8U patent/CN214310967U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002096395A (en) | Laminated film, method for manufacturing the same and method for manufacturing display device | |
| KR102439084B1 (en) | Fabrication method of display device | |
| CN210015307U (en) | Liquid crystal display device having a plurality of pixel electrodes | |
| JP2007206364A (en) | Liquid crystal display element | |
| US11353745B2 (en) | Display apparatus and tiled display apparatus including the same | |
| KR101740194B1 (en) | Display panel unit and display device | |
| CN112015003A (en) | Display device | |
| CN106054469B (en) | Ultra-thin liquid crystal display | |
| CN208444114U (en) | Show equipment | |
| CN108107619B (en) | Display module structure and terminal equipment | |
| CN110764178A (en) | Quantum dot polaroid and manufacturing method thereof | |
| KR20120119111A (en) | Light leakage free liquid crystal display device with large size and thin thickness | |
| CN214310967U (en) | Polaroid and display panel | |
| CN106896567A (en) | A kind of polaroid and display device | |
| JP2009116204A (en) | Liquid crystal display device | |
| KR20140114960A (en) | Liquid crystal display device moudle and mobile device including the same | |
| CN115527453A (en) | Display module assembly and tiled display device | |
| CN113031331B (en) | Low-cost giant liquid crystal display film and preparation process thereof | |
| JP3989750B2 (en) | Liquid crystal display | |
| CN210119641U (en) | Bending-resistant OLCD module | |
| CN217112962U (en) | Polaroid and liquid crystal display panel | |
| JP2010066729A (en) | Liquid crystal display device | |
| KR20170036972A (en) | Backlight Unit and Display Device having the same | |
| CN217112961U (en) | Liquid crystal display panel and liquid crystal display | |
| CN204422923U (en) | Display module and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |