CN216351326U

CN216351326U - OLED polarizer with optical compensation

Info

Publication number: CN216351326U
Application number: CN202122689692.3U
Authority: CN
Inventors: 谢展四
Original assignee: Shenzhen Pute Photoelectric Co ltd
Current assignee: Shenzhen Pute Photoelectric Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-19
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses an OLED polarizer with optical compensation, which comprises a hardening layer, a polarizer original plate, a first optical compensation layer and a second optical compensation layer; the polarizer original plate comprises a PVA layer, a first TAC layer and a second TAC layer, wherein the PVA layer is fixedly connected between the first TAC layer and the second TAC layer; a first optical compensation layer is bonded on the top of the first TAC layer, and an antifouling layer is fixedly connected on the top of the first optical compensation layer; a second optical compensation layer is bonded at the bottom of the second TAC layer; a release film is bonded at the bottom of the second optical compensation layer; the bottom of the release film is fixedly connected with an adhesive layer; a protective film is bonded to the bottom of the adhesive layer; the first optical compensation layer is arranged on the top of the polarizer original plate, and the display can improve images and colors under a wider viewing angle through the first optical compensation layer, so that the display effect is better, and the display has good market application value.

Description

OLED polarizer with optical compensation

Technical Field

The utility model belongs to the technical field of polaroids, and particularly relates to an OLED polaroid with optical compensation.

Background

Liquid crystal displays are widely used in various applications including personal computers, mobile device monitors, and televisions because of their various advantages, such as being operable at low voltage and power consumption and being highly likely to be reduced in size and shape; although various modes have been proposed for such a liquid crystal display depending on how liquid crystalline molecules are aligned in a liquid crystal cell, the main mode so far is a TN mode in which the alignment state of liquid crystalline molecules is twisted about 90 ° from a lower substrate to an upper substrate; in general, a liquid crystal display is constituted by a liquid crystal cell, an optical compensation film, and a polarizer; the optical compensation film is used for dispersion of an image and expansion of a viewing angle, and a birefringent stretched film or a transparent film coated with a liquid crystal is used as the optical compensation film; for example, japanese patent No.2587398 discloses a technique of forming an optical compensation film by coating a discotic liquid crystal on a triacetyl cellulose film, forcing the liquid crystal into an alignment state and fixing the alignment state, and applying the optical compensation film to a TN-mode liquid crystal cell to enlarge a viewing angle; however, in the case of a liquid crystal display for a television which is supposed to be mounted with a large screen and can be viewed from various angles, there is a strict demand for viewing angle dependency, and thus even the above-mentioned techniques cannot satisfy such a demand; therefore, the prior art has the defects and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides an OLED polarizer with optical compensation, which solves the problems.

In order to solve the above problems, the technical scheme provided by the utility model is as follows: an OLED polarizer with optical compensation comprises a hardening layer 1, a polarizer original plate 2, a first optical compensation layer 3 and a second optical compensation layer 4; the polarizer original plate 2 comprises a PVA layer 201, a first TAC layer 202 and a second TAC layer 203, wherein the PVA layer 201 is fixedly connected between the first TAC layer 202 and the second TAC layer 203; a first optical compensation layer 3 is bonded on the top of the first TAC layer 201, and an antifouling layer 5 is fixedly connected on the top of the first optical compensation layer 3; a second optical compensation layer 4 is bonded at the bottom of the second TAC layer 203; a release film 6 is bonded at the bottom of the second optical compensation layer 4; the bottom of the release film 6 is fixedly connected with an adhesive layer 7; a protective film 8 is adhered to the bottom of the adhesive layer 7; the antifouling layer 5, the first optical compensation layer 3, the polarizer original plate 2, the second optical compensation layer 4, the release film 6, the adhesive layer 7 and the protective film 8 are sequentially arranged on the hardening layer 1 from top to bottom.

Preferably, the first optical compensation layer 3 is disposed on top of the first TAC layer 202; the second optical compensation layer 4 is arranged at the bottom of the second TAC layer 203; the first optical compensation layer 3 and the second optical compensation layer 4 are composed of optical compensation layer films.

By providing the first optical compensation layer 3 and the second optical compensation layer 4, the display can improve images and colors at wider viewing angles, thereby achieving better display effect.

Preferably, the antifouling layer 5 is an antifouling transparent hardened coating.

By designing the antifouling layer 5 into an antifouling transparent hardening coating, the hardness of the antifouling layer 5 can be effectively enhanced in the long-time use process of the display, so that the service life of the display is prolonged.

Preferably, the thickness of the hardened layer is 5 micrometers.

Through setting up the sclerosis layer, make the polaroid structure have the effect of reinforcing hardness, prevent that the polaroid from being scratched, prevent that polaroid structural thickness from too big influence polaroid normal use simultaneously.

Preferably, the antifouling layer 5, the polarizer original plate 2, the first optical compensation layer 3, the second optical compensation layer 4, the release film 6, the adhesive layer 7 and the protective film 8 are bonded with each other by pressure-sensitive adhesive.

Through adopting pressure sensitive adhesive to bond between antifouling layer 5, former board 2 of polaroid, first optical compensation layer 3, second optical compensation layer 4, release film 6, adhesive layer 7, protection film 8 two liang, can increase the steadiness, not fragile.

Compared with the prior art, the anti-fouling display device has the beneficial effects that by adopting the scheme, the display device can improve images and colors under a wider visual angle by arranging the first optical compensation layer and the second optical compensation layer, so that the display effect is better, the hardness of the anti-fouling layer can be effectively enhanced in the long-time use process of the display device through the anti-fouling layer designed by the anti-fouling transparent hardening coating, the polarizer structure has the effect of enhancing the hardness by arranging the hardening layer, the polarizer is prevented from being scratched, meanwhile, the normal use of the polarizer is prevented from being influenced due to the too large thickness of the polarizer structure, and the service life of the display device is prolonged.

Drawings

For a clearer explanation of the embodiments or technical solutions in the prior art, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a general schematic of the structure of the present invention;

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

FIG. 3 is a schematic view of the structure of the antifouling layer of the present invention;

FIG. 4 is a schematic view of a hardened layer structure according to the present invention;

the figures above show: the polarizer comprises a hardening layer 1, a polarizer original plate 2, a first optical compensation layer 3, a second optical compensation layer 4, an antifouling layer 5, a release film 6, an adhesive layer 7, a protective film 8, a PVA layer 201, a first TAC layer 202 and a second TAC layer 203.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1, as shown in figure 1: an OLED polarizer with optical compensation is characterized by comprising a hardening layer 1, a polarizer original plate 2, a first optical compensation layer 3 and a second optical compensation layer 4; the polarizer original plate 2 comprises a PVA layer 201, a first TAC layer 202 and a second TAC layer 203, wherein the PVA layer 201 is fixedly connected between the first TAC layer 202 and the second TAC layer 203; a first optical compensation layer 3 is bonded on the top of the first TAC layer 201, and an antifouling layer 5 is fixedly connected on the top of the first optical compensation layer 3; a second optical compensation layer 4 is bonded at the bottom of the second TAC layer 203; a release film 6 is bonded at the bottom of the second optical compensation layer 4; the bottom of the release film 6 is fixedly connected with an adhesive layer 7; a protective film 8 is adhered to the bottom of the adhesive layer 7; the antifouling layer 5, the first optical compensation layer 3, the polarizer original plate 2, the second optical compensation layer 4, the release film 6, the adhesive layer 7 and the protective film 8 are sequentially arranged on the hardening layer 1 from top to bottom.

Example 2, as shown in figure 1: the first optical compensation layer 3 is arranged on the top of the polarizer original plate 2, the second optical compensation layer 4 is arranged on the bottom of the polarizer original plate 2, and images and colors presented by the display screen can be improved under a wider visual angle through the arrangement of the first optical compensation layer 3 and the second optical compensation layer 4.

Further, in order to improve the display effect of the display screen under a wider angle, optical compensation layers are arranged at the top and the bottom of the polarizer original plate 2, and the first optical compensation layer 3 is arranged at the top of the first TAC layer 201; the second optical compensation layer 4 is disposed at the bottom of the second TAC layer 203.

Example 3, as shown in figure 1: in order to ensure that the connection between every two layers is firmer, the antifouling layer 5, the polarizer original plate 2, the first optical compensation layer 3, the second optical compensation layer 4, the release film 6, the adhesive layer 7 and the protective film 8 are adhered by pressure sensitive adhesive.

Example 4, as shown in fig. 4: in order to prevent the polarizer structure from being scratched and prevent the polarizer structure from being too thick to affect the normal use of the polarizer, a hardening layer with a thickness of 5 microns is provided.

The basic working principle is as follows: by arranging the first optical compensation layer and the second optical compensation layer, the image and the color of the display can be improved under a wider viewing angle, so that the display effect is better; the antifouling layer 5 is designed into an antifouling transparent hardening coating, so that the hardness of the antifouling layer can be effectively enhanced in the long-time use process of the display, and the service life of the display is prolonged; through the arrangement of the hardening layer, the polarizer structure has the effect of enhancing the hardness, the polarizer is prevented from being scratched, and meanwhile, the influence of the too large thickness of the polarizer structure on the normal use of the polarizer is prevented; the anti-fouling polarizer is adhered to the anti-fouling polarizer original plate, the first optical compensation layer, the second optical compensation layer, the release film, the adhesive layer and the protective film in a pressure-sensitive adhesive manner, so that the stability can be improved, and the anti-fouling polarizer is not easy to damage.

The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the utility model as defined by the appended claims.

Claims

1. An OLED polarizer with optical compensation is characterized by comprising a hardening layer, a polarizer original plate, a first optical compensation layer and a second optical compensation layer; the polarizer original plate comprises a PVA layer, a first TAC layer and a second TAC layer, wherein the PVA layer is fixedly connected between the first TAC layer and the second TAC layer; a first optical compensation layer is bonded on the top of the first TAC layer, and an antifouling layer is fixedly connected on the top of the first optical compensation layer; a second optical compensation layer is bonded at the bottom of the second TAC layer; a release film is bonded at the bottom of the second optical compensation layer; the bottom of the release film is fixedly connected with an adhesive layer; a protective film is bonded to the bottom of the adhesive layer; the antifouling layer, the polarizer original plate, the first optical compensation layer, the second optical compensation layer, the release film, the adhesive layer and the protective film are sequentially arranged on the hardening layer from top to bottom.

2. The OLED polarizer of claim 1 wherein the first optical compensation layer is disposed on top of the first TAC layer; the second optical compensation layer is arranged at the bottom of the second TAC layer; the first optical compensation layer and the second optical compensation layer are composed of optical compensation layer films.

3. The OLED polarizer of claim 1 wherein the anti-smudge layer is an anti-smudge transparent hard coat.

4. The OLED polarizer of claim 1, wherein the thickness of the hardened layer is 5 microns.

5. The OLED polarizer with optical compensation of claim 1, wherein the anti-fouling layer, the polarizer original plate, the first optical compensation layer, the second optical compensation layer, the release film, the adhesive layer and the protective film are bonded together by pressure sensitive adhesive.