CN214427708U

CN214427708U - Brightening polarizer

Info

Publication number: CN214427708U
Application number: CN202120567922.6U
Authority: CN
Inventors: 张朝阳
Original assignee: Shenzhen Jingtai'an Technology Co ltd
Current assignee: Shenzhen Jingtai'an Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-19
Anticipated expiration: 2031-03-19

Abstract

The utility model belongs to the technical field of polaroids, and discloses a brightening polaroid, which comprises a polaroid original plate, wherein a second brightening film and a first brightening film are respectively bonded on the upper surface and the lower surface of the polaroid original plate, a semipermeable membrane is arranged below the first brightening film, a release membrane is arranged above the second brightening film, the polaroid original plate comprises a PVA film, the PVA film comprises a PVA body and composite molecules, the composite molecules are adsorbed on the PVA body and are extended and oriented, the composite molecules are formed by compounding iodine molecules and organic dyes, the utility model discloses a brightening device which can greatly improve the brightening performance of the original polaroid by respectively covering the first brightening film and the second brightening film on the two sides of the polaroid original plate, so that the overall brightness of liquid crystal display screen formed by the brightening device and liquid crystal glass is improved, and the discomfort of eyes caused by long-time watching of a viewer is avoided, the adverse effect on eyes is reduced.

Description

Brightening polarizer

Technical Field

The utility model belongs to the technical field of the polaroid, concretely relates to blast polaroid.

Background

The polaroids are all called as polaroids, the imaging of the liquid crystal display is dependent on polarized light, and all liquid crystals have front and rear polaroids which are tightly attached to liquid crystal glass to form the liquid crystal plate with the total thickness of about 1 mm. Polarizing plates are called polarizers because the eye-facing sheet of a typical liquid crystal display is frosted to dissipate surface reflections and scatter light to increase the viewing angle of the liquid crystal display. The polaroid is made according to the polarization principle of light, can effectively eliminate glare.

Present semi-transmission type polaroid is when using, because of the transmissivity of light is lower, the liquid crystal display that polaroid and liquid crystal glazing constitute is in the use, the holistic luminance of liquid crystal display is lower, it can bring the discomfort for viewer's eyes to watch for a long time, bring adverse effect to its eyesight, in addition, traditional polaroid divide into iodine and dyestuff system polaroid, and the degree of polarization and the luminousness of iodine system polaroid are high, but high temperature and high humidity resistance is relatively poor, dyestuff system polaroid is rather than opposite, all have the weak point, economic benefits and practicality are lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blast polaroid to the luminousness of solving current polaroid is low, and the whole luminance of display screen of constitution is lower, brings discomfort for viewer's eyes, and the polaroid can't have the problem of high polarization degree, high luminousness and good high temperature and high humidity resistance ability concurrently.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a brightening polaroid, includes the former board of polaroid, second brightness enhancement film and first brightness enhancement film have been bonded respectively on the upper and lower two sides of the former board of polaroid, the below of first brightness enhancement film is provided with the pellicle, the top of second brightness enhancement film is provided with from the type membrane.

Preferably, the polarizer original plate comprises a PVA film, the PVA film comprises a PVA body and composite molecules, the composite molecules are adsorbed on the PVA body and are extended and oriented, and the composite molecules are formed by compounding iodine molecules and organic dyes.

Preferably, the polarizer original plate further comprises a first TAC protective film and a second TAC protective film, the second TAC protective film and the first TAC protective film are respectively bonded to the upper surface and the lower surface of the PVA film, and the first TAC protective film and the second TAC protective film are made of cellulose triacetate.

Preferably, the bottom of pellicle bonds and has the protection film, between pellicle and the protection film, between first TAC protection film and the PVA film and between second TAC protection film and the PVA film all bond through compound glue.

Preferably, the bottom of the first brightness enhancement film is coated with a first pressure sensitive adhesive layer, and the semi-permeable film is adhered to the first brightness enhancement film through the first pressure sensitive adhesive layer.

Preferably, the top of the second brightness enhancement film is coated with a second pressure sensitive adhesive layer, and the release film is adhered to the second brightness enhancement film through the second pressure sensitive adhesive layer.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses a cover first brightness enhancement film and second brightness enhancement film respectively on two sides of the former board of polaroid, dual blast can promote the blast performance of original polaroid greatly, makes its whole luminance that constitutes with liquid crystal glass promote to some extent, avoids the viewer to watch for a long time and causes the discomfort of eyes, has reduced the adverse effect that brings to eyes.

(2) The utility model discloses a set up the PVA membrane into the structure of inhaling on the PVA body by compound molecule, compound molecule is formed by iodine molecule and organic dyestuff complex, this PVA membrane is more high temperature and high humidity resistant than traditional iodine system polaroid, it has higher polarization degree and luminousness to be the polaroid than the dyestuff, can neutralize the good performance of the two, it easily receives destruction to have solved iodine system polaroid and met high temperature and high humidity down, and the dyestuff is the problem that the polarization degree and the luminousness of polaroid are relatively poor to lead to display quality poor and high price, make the polaroid have good weatherability concurrently, high polarization degree and luminousness, the high performance price ratio has simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a polarizer plate of the present invention;

FIG. 3 is a schematic structural view of the PVA film of the present invention;

in the figure: the polarizer comprises a polarizer original plate-1, a first brightness enhancement film-2, a second brightness enhancement film-3, a first pressure sensitive adhesive layer-4, a semi-permeable membrane-5, a protective film-6, a second pressure sensitive adhesive layer-7, a release film-8, a first TAC protective film-9, a PVA film-10, a second TAC protective film-11, a PVA body-12 and a composite molecule-13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a brightening polaroid, including former board 1 of polaroid, it has second brightness enhancement film 3 and first brightness enhancement film 2 to bond respectively on the upper and lower two sides of former board 1 of polaroid, the below of first brightness enhancement film 2 is provided with pellicle 5, the top of second brightness enhancement film 3 is provided with from type membrane 8, second brightness enhancement film 3 and first brightness enhancement film 2 are made by the APF material, the APF material is with aluminized polyester film as surperficial reinforcing material, the dual brightening of second brightness enhancement film 3 and first brightness enhancement film 2, can promote the brightening performance of original polaroid greatly, make its whole luminance with the liquid crystal display that liquid crystal glass constitutes promote, avoid the viewer to watch for a long time and cause the discomfort of eyes, the adverse effect who brings to eyes has been reduced.

Further, the polarizer original plate 1 comprises a PVA film 10, the PVA film 10 comprises a PVA body 12 and composite molecules 13, the composite molecules 13 are absorbed on the PVA body 12 and are extended and oriented, the composite molecules 13 are formed by compounding iodine molecules and organic dyes, the PVA body 12 is made of polyvinyl alcohol, the polarizing effect is realized, the composite molecules 13 can improve the weather resistance of the traditional iodine polarizer and are more resistant to high temperature and high humidity, the polarization degree and the light transmittance of the dye polarizer are improved, the excellent performances of the two are neutralized, the problems that the iodine polarizer is easy to damage under high temperature and high humidity are solved, the poor display quality and the high price are caused by the poor polarization degree and the poor light transmittance of the dye polarizer, and the cost performance and the economic benefit are high.

Furthermore, the original polarizer plate 1 further comprises a first TAC protective film 9 and a second TAC protective film 11, the second TAC protective film 11 and the first TAC protective film 9 are respectively bonded to the upper surface and the lower surface of the PVA film 10, the first TAC protective film 9 and the second TAC protective film 11 are made of cellulose triacetate, and the two TAC protective films have high light transmittance and good water resistance and have certain mechanical strength so as to protect the physical properties of the PVA film 10.

Specifically, the bottom of the semipermeable membrane 5 is bonded with the protective membrane 6, and the semipermeable membrane 5 and the protective membrane 6, the first TAC protective membrane 9 and the PVA membrane 10, and the second TAC protective membrane 11 and the PVA membrane 10 are bonded through the composite glue.

It is worth mentioning that the bottom of the first brightness enhancement film 2 is coated with a first pressure sensitive adhesive layer 4, and the semi-permeable film 5 is adhered to the first brightness enhancement film 2 through the first pressure sensitive adhesive layer 4.

Further, the top coating of second brightness enhancement film 3 has second pressure sensitive adhesive layer 7, bonds on second brightness enhancement film 3 through second pressure sensitive adhesive layer 7 from type membrane 8, plays the guard action to second pressure sensitive adhesive layer 7 from type membrane 8, and first pressure sensitive adhesive layer 4 and second pressure sensitive adhesive layer 7 have high temperature resistant damp-proofing performance, further promote the weatherability of polaroid original plate 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A brightening polarizer comprises a polarizer original plate (1), and is characterized in that: the polarizer is characterized in that a second brightness enhancement film (3) and a first brightness enhancement film (2) are respectively bonded on the upper surface and the lower surface of the original polarizer plate (1), a semipermeable film (5) is arranged below the first brightness enhancement film (2), and a release film (8) is arranged above the second brightness enhancement film (3).

2. A brightness enhancing polarizer according to claim 1, wherein: the polarizer original plate (1) comprises a PVA film (10), the PVA film (10) comprises a PVA body (12) and composite molecules (13), the composite molecules (13) are absorbed on the PVA body (12) and are extended and oriented, and the composite molecules (13) are formed by compounding iodine molecules and organic dyes.

3. A brightness enhancing polarizer according to claim 2, wherein: the original polarizer plate (1) further comprises a first TAC protection film (9) and a second TAC protection film (11), the second TAC protection film (11) and the first TAC protection film (9) are respectively bonded on the upper surface and the lower surface of the PVA film (10), and the first TAC protection film (9) and the second TAC protection film (11) are made of cellulose triacetate.

4. A brightness enhancing polarizer according to claim 3, wherein: the bottom of pellicle (5) bonds and has protection film (6), between pellicle (5) and protection film (6), between first TAC protection film (9) and PVA membrane (10) and between second TAC protection film (11) and PVA membrane (10) all bond through compound glue.

5. A brightness enhancing polarizer according to claim 1, wherein: the bottom of the first brightness enhancement film (2) is coated with a first pressure sensitive adhesive layer (4), and the semi-permeable film (5) is adhered to the first brightness enhancement film (2) through the first pressure sensitive adhesive layer (4).

6. A brightness enhancing polarizer according to claim 1, wherein: the top of the second brightness enhancement film (3) is coated with a second pressure sensitive adhesive layer (7), and the release film (8) is adhered to the second brightness enhancement film (3) through the second pressure sensitive adhesive layer (7).