CN105182461B - Polarizer and display panel structure and display device - Google Patents
Polarizer and display panel structure and display device Download PDFInfo
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- CN105182461B CN105182461B CN201510607420.0A CN201510607420A CN105182461B CN 105182461 B CN105182461 B CN 105182461B CN 201510607420 A CN201510607420 A CN 201510607420A CN 105182461 B CN105182461 B CN 105182461B
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Abstract
A kind of polarizer, including polarizing coating and the membrane layer that one side surface of polarizing coating is arranged in, membrane layer is at least stacked with by the different diaphragm of two panels index of refraction and is formed, and membrane layer, away from the direction of polarizing coating, the index of refraction of each diaphragm is sequentially reduced.Polarizer of the invention can mention high display quality, reduce big visual angle light leakage, and increase viewing visual angle.The invention further relates to a kind of display panel structures and a kind of display device.
Description
Technical field
The present invention relates to display device technology field, in particular to a kind of polarizer and display panel structure and display fill
It sets.
Background technique
Liquid crystal display device (LCD, LiquidCrystalDisplay) have fuselage is thin, power saving, penetrate etc. without good fortune it is numerous excellent
Point, is widely used.Liquid crystal display device on existing market is largely backlight liquid crystal display device comprising
Display panel structure and backlight module (backlightmodule).The working principle of display panel structure is parallel in two panels
Liquid crystal molecule is placed in glass substrate, liquid crystal molecule is controlled by glass substrate power-on voltage and changes direction, by backlight mould
The light refraction of group, which comes out, generates picture.
Usual display panel structure includes display panel and be arranged in display panel downside enter light polarizer and setting
On a display panel side go out light polarizer (polarization direction of the polarization direction perpendicular to light polarizer out for entering light polarizer).It is aobvious
Show that panel includes two pieces of substrates being oppositely arranged and the layer of liquid crystal molecule being arranged between two substrates, and in layer of liquid crystal molecule
Liquid crystal molecule can be along the friction matching direction orientations of substrate.The frictional direction of two substrates is perpendicular to one another, so that liquid crystal point
Son is in 90 ° of twist configurations (i.e. so that liquid crystal molecule has optically-active characteristic).In the case where applying voltage, liquid crystal molecule will be along
The direction of electric field rearranges orientation, and makes the axial direction of liquid crystal molecule perpendicular to substrate；The case where not applying voltage
Under, liquid crystal molecule will be along friction matching direction orientations.When the light of backlight module is after entering light polarizer, naturally partially
The light that shakes becomes linearly polarized light.If electric field is not added, after layer of liquid crystal molecule, polarization direction is rotated by 90 ° this polarised light, so that line
Polarised light becomes elliptically polarized light, therefore projects from light polarizer out.If added electric field, twist configuration is destroyed, optically-active characteristic
It disappears therewith, this polarised light does not deflect after layer of liquid crystal molecule, therefore is absorbed by light polarizer out.Since liquid crystal is
A kind of anisotropic substance can occur birefringent when light is propagated in liquid crystal.In the case where added electric field, liquid crystal molecule along
Direction of an electric field arrangement is absorbed along the light of liquid crystal molecule axial direction by light polarizer out, but is deviateed optical axis and deviateed liquid crystal point
The light of sub- axial direction incidence will deflect, and be deflected to elliptically polarized light from linearly polarized light, therefore cannot be completely inclined by light out
Tabula rasa absorbs, and light leakage phenomena occurs, so will appear contrast decline when display panel is observed in wide-angle direction, contrast is reduced
The case where, it influences to show quality.
Summary of the invention
The object of the present invention is to provide a kind of polarizers, can mention high display quality, reduce big visual angle light leakage, and increase
Viewing visual angle is added.
Another object of the present invention is to provide a kind of display panel structures, can mention high display quality, reduce big visual angle
Light leakage, and increase viewing visual angle.
Another object of the present invention is to provide a kind of display devices, can mention high display quality, reduce big visual angle leakage
Light, and increase viewing visual angle.
It is that the following technical solution is employed to realize that the present invention, which solves its technical problem,.
A kind of polarizer, including polarizing coating and the membrane layer that one side surface of polarizing coating is arranged in, membrane layer is at least by two panels
The different diaphragm of index of refraction is stacked with to be formed, and membrane layer, away from the direction of polarizing coating, the index of refraction of each diaphragm is successively
Reduce.
In the preferred embodiment, above-mentioned membrane layer includes primary diaphragm and secondary diaphragm, primary diaphragm setting
On the side surface of polarizing coating, secondary diaphragm is arranged on primary diaphragm, and the index of refraction of primary diaphragm is greater than secondary diaphragm
Index of refraction.
In the preferred embodiment, above-mentioned polarizing coating is equipped with protective film, film far from another side surface of membrane layer
The secondary diaphragm and protective film of lamella are optical compensation films.
In the preferred embodiment, the primary diaphragm of above-mentioned membrane layer is hard diaphragm.
In the preferred embodiment, the primary diaphragm of above-mentioned membrane layer is selected from zinc oxide diaphragm, zinc sulphide diaphragm
One of with selenium glass diaphragm.
In the preferred embodiment, above-mentioned membrane layer includes primary diaphragm, secondary diaphragm and third diaphragm, and first
Diaphragm is arranged on the side surface of polarizing coating, and secondary diaphragm is set on primary diaphragm, and third diaphragm is arranged on secondary diaphragm,
And the index of refraction of primary diaphragm is greater than the index of refraction of secondary diaphragm, the index of refraction of secondary diaphragm is greater than the index of refraction of third diaphragm.
In the preferred embodiment, above-mentioned polarizing coating is equipped with protective film, film far from another side surface of membrane layer
The third diaphragm and protective film of lamella are optical compensation films.
In the preferred embodiment, the primary diaphragm of above-mentioned membrane layer or secondary diaphragm are hard diaphragm.
A kind of display panel structure, including display panel.Display panel structure further includes above-mentioned polarizer, and polarizer is set
It sets on the side surface of display panel.
A kind of display device, including above-mentioned display panel structure.
The membrane layer that polarizer of the invention has index of refraction different, and the size of the index of refraction of membrane layer is along separate
The direction of polarizing coating, the index of refraction of each diaphragm are gradually reduced (membrane layer of polarizer meets the condition being totally reflected).Light source
When the light of sending passes through the polarizer of display panel (polarizer for being located remotely from backlight module), propagated in membrane layer when being in
When the incident angle of light meets total reflection condition, light will be reflected by the diaphragm of membrane layer.Therefore, polarisation of the invention
Plate significantly reduces light leakage phenomena when big visual angle, increases the viewing visual angle of display panel, and improves display screen
Display quality.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, it is described in detail.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of display device of the invention.
Fig. 2 is the schematic cross-sectional view of the polarizer of first embodiment of the invention.
Fig. 3 is the schematic cross-sectional view of the polarizer of second embodiment of the invention.
Fig. 4 is the schematic cross-sectional view of the polarizer of third embodiment of the invention.
Fig. 5 is the schematic cross-sectional view of the polarizer of fourth embodiment of the invention.
Fig. 6 is the schematic diagram of the polarizer refracted light of display panel structure of the invention.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, the specific implementation to polarizer proposed according to the present invention and display panel structure and display device
Mode, structure, feature and its effect are as follows in detail:
For the present invention aforementioned and other technology contents, feature and effect refer to the preferable reality of schema in following cooperation
Applying in the detailed description of example can clearly appear from.By the explanation of specific embodiment, when predetermined mesh can be reached to the present invention
The technical means and efficacy taken be able to more deeply and it is specific understand, however institute's accompanying drawings are only to provide with reference to and say
It is bright to be used, it is not intended to limit the present invention.
Fig. 1 is the schematic cross-sectional view of display device of the invention.As shown in Figure 1, in this example it is shown that device
100 include front frame 110, backboard 120, glue frame 130, backlight module 140 and display panel structure 150.Front frame 110 and glue frame 130
(i.e. glue frame 130 is set between front frame 110 and backboard 120) is arranged around backboard 120 in engaging, glue frame 130.Backlight module 140
It is arranged on backboard 120, the top of backlight module 140, and the side of display panel structure 150 is arranged in display panel structure 150
While being crimped in glue frame 130.
As shown in Figure 1, backlight module 140 includes light guide plate 142, light source 144 and diffusion sheet 146.The setting of light guide plate 142 exists
On backboard 120, light source 144 is set to the side of light guide plate 142, and diffusion sheet 146 is arranged on light guide plate 142, and is located at display
The lower section of panel construction 150.The light that light source 144 issues through the light guide plate 142 and diffusion sheet 146 from the upper of display panel structure 150
It projects on surface.
Display panel structure 150 includes display panel 152 and the polarizer that about 152 both side surface of display panel is arranged in
154a、154b、154c、154d。
Fig. 2 is the schematic cross-sectional view of the polarizer of first embodiment of the invention.As depicted in figs. 1 and 2, in the present embodiment
In, polarizer 154a includes polarizing coating 155 and the membrane layer 156 that 155 1 side surface of polarizing coating is arranged in, and polarizer 154a
Polarizing coating 155 is arranged on display panel 152.Membrane layer 156 includes the primary diaphragm 1561 and the second film for being stacked with connection
Piece 1562, and primary diaphragm 1561 is connected on polarizing coating 155 by viscose glue, secondary diaphragm 1562 is arranged in primary diaphragm 1561
On.In the present embodiment, the index of refraction of primary diaphragm 1561 is greater than the index of refraction of secondary diaphragm 1562；Specifically, primary diaphragm
1561 selected from one of the biggish zinc oxide diaphragm of index of refraction, zinc sulphide diaphragm and selenium glass diaphragm (wherein zinc oxide diaphragm
Index of refraction be 2.17, the index of refraction of zinc sulphide diaphragm is 2.368, the index of refraction of selenium glass diaphragm is 2.6), but not with this
It is limited；Secondary diaphragm 1562 is optical compensation films, it is preferable that secondary diaphragm 1562 is the Triafol T that index of refraction is 1.48
(Tri-cellulose Acetate, TCA).It is noted that moisture content penetrates 156 inlet membrane of membrane layer in order to prevent
152 side light leakage phenomena of display panel (i.e. Butterly mura phenomenon) is generated between layer 156 and polarizing coating 155, this implementation
The primary diaphragm 1561 of membrane layer 156 in example is hard diaphragm (the larger and waterproof hard diaphragm of density also may be selected).
Fig. 3 is the schematic cross-sectional view of the polarizer of second embodiment of the invention.Display panel structure 150 in the present embodiment
Roughly the same with the display panel structure 150 in first embodiment, difference is that the structure of polarizer is different.As shown in figure 3,
In the present embodiment, polarizer 154b include polarizing coating 155 and be arranged in 155 1 side surface of polarizing coating membrane layer 156 and
Setting is in 155 other side surface protection film 157 of polarizing coating, and the protective film 157 of polarizer 154b is arranged in display panel 152
On.Membrane layer 156 includes the primary diaphragm 1561 and secondary diaphragm 1562 for being stacked with connection, and primary diaphragm 1561 is by gluing
On polarizing coating 155, secondary diaphragm 1562 is arranged on primary diaphragm 1561 for glue connection.In the present embodiment, secondary diaphragm
1562 and protective film 157 be optical compensation films, it is preferable that secondary diaphragm 1562 and protective film 157 are three that index of refraction is 1.48
Cellulose acetate (Tri-cellulose Acetate, TCA), but be not limited thereto.
Fig. 4 is the schematic cross-sectional view of the polarizer of third embodiment of the invention.Display panel structure 150 in the present embodiment
Roughly the same with the display panel structure 150 in first embodiment, difference is that the structure of polarizer is different.As shown in figure 4,
In the present embodiment, polarizer 154c includes polarizing coating 155 and the membrane layer 156 that 155 1 side surface of polarizing coating is arranged in, and inclined
The polarizing coating 155 of tabula rasa 154c is arranged on display panel 152.Membrane layer 156 includes the primary diaphragm for being stacked with connection
1561, secondary diaphragm 1562 and third diaphragm 1563, and primary diaphragm 1561 is connected on polarizing coating 155 by viscose glue, second
Diaphragm 1562 is arranged on primary diaphragm 1561, and third diaphragm 1563 is arranged on secondary diaphragm 1562.In the present embodiment,
The index of refraction of one diaphragm 1561 is greater than the index of refraction of secondary diaphragm 1562, and the index of refraction of secondary diaphragm 1562 is greater than third diaphragm
1563 index of refraction；Specifically, primary diaphragm 1561 is selected from the biggish zinc oxide diaphragm of index of refraction, zinc sulphide diaphragm and selenium glass
(wherein the index of refraction of zinc oxide diaphragm is 2.17 to one of diaphragm, the index of refraction of zinc sulphide diaphragm is 2.368, selenium glass film
The index of refraction of piece is 2.6), but to be not limited thereto；Third diaphragm 1563 is the Triafol T (Tri- that index of refraction is 1.48
Cellulose Acetate, TCA).It is noted that moisture content penetrates 156 inlet membrane layer 156 of membrane layer in order to prevent
152 side light leakage phenomena of display panel (i.e. Butterly mura phenomenon) is generated between polarizing coating 155, in the present embodiment
Membrane layer 156 primary diaphragm 1561 or secondary diaphragm 1562 be hard diaphragm (also may be selected density it is larger and waterproof
Hard diaphragm).
Fig. 5 is the schematic cross-sectional view of the polarizer of fourth embodiment of the invention.Display panel structure 150 in the present embodiment
Roughly the same with the display panel structure 150 in 3rd embodiment, difference is that the structure of polarizer is different.As shown in figure 5,
In the present embodiment, polarizer 154d include polarizing coating 155 and be arranged in 155 1 side surface of polarizing coating membrane layer 156 and
It is arranged in 155 other side surface protection film 157 of polarizing coating, and the protective film 157 of polarizer 154d is attached on display panel 152.
Primary diaphragm 1561, secondary diaphragm 1562 and third diaphragm 1563 of the membrane layer 156 including being stacked with connection, and primary diaphragm
1561 are connected on polarizing coating 155 by viscose glue, and secondary diaphragm 1562 is arranged on primary diaphragm 1561, and third diaphragm 1563 is set
It sets on secondary diaphragm 1562.In the present embodiment, third diaphragm 1563 and protective film 157 are optical compensation films, it is preferable that the
Three diaphragms 1563 and protective film 157 are the Triafol T (Tri-cellulose Acetate, TCA) that index of refraction is 1.48,
But it is not limited thereto.
The diaphragm number of the membrane layer 156 of polarizer 154a, 154b, 154c, 154d of the invention according to actual needs can be certainly
By selecting (diaphragm number is more than or equal to 2), as long as guaranteeing direction of the membrane layer 156 away from polarizing coating 155, the refractive power of each diaphragm
Rate is sequentially reduced.
Fig. 6 is the schematic diagram of the polarizer refracted light of display panel structure of the invention.It is said with first embodiment
It is bright, as shown in fig. 6, the light issued by light source 144 enters polarizer 154a after display panel 152, finally pass through polarizing coating
It is projected after primary diaphragm 1561 and secondary diaphragm 1562 on 155.Since the index of refraction of primary diaphragm 1561 is greater than secondary diaphragm
1562 index of refraction, therefore meet the condition that light is totally reflected, when the incidence angle of light increases to a certain numerical value, light
It sets from primary diaphragm 1561 to the refraction angle of secondary diaphragm 1562 and is up to 90 °, if increasing the angle of incidence angle again, be in
Light in one diaphragm 1561 will be unable to project from secondary diaphragm 1562, i.e., is reflected by secondary diaphragm 1562.
The two sides up and down of display panel 152, polarizer is arranged in polarizer 154a, 154b, 154c, 154d of the invention
With the membrane layer 156 that index of refraction is different on 154a, 154b, 154c, 154d, and the size of the index of refraction of membrane layer 156 is edge
The direction far from polarizing coating 155, the index of refraction of each diaphragm is gradually reduced the (diaphragm of polarizer 154a, 154b, 154c, 154d
Layer 156 meets the condition being totally reflected).Light source 144 issue light by display panel 152 polarizer 154a, 154b,
When 154c, 154d (polarizer 154a, 154b, 154c, 154d for being located remotely from backlight module 140), when being in membrane layer 156
When the incident angle of the light of propagation meets total reflection condition, light will be reflected by the diaphragm of membrane layer 156.Therefore, originally
Polarizer 154a, 154b, 154c, 154d of invention significantly reduce light leakage phenomena when big visual angle, increase display
The viewing visual angle of panel 152, and improve the display quality of display screen.In addition, polarizer 154a, 154b of the invention, 154c,
It is equipped with hard diaphragm in the membrane layer 156 of 154d, can effectively prevent moisture content from penetrating between membrane layer 156 and polarizing coating 155,
Avoid 152 side light leakage phenomena of display panel (i.e. Butterly mura phenomenon).
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Detail in mode can carry out technical solution of the present invention a variety of simple within the scope of the technical concept of the present invention
Modification, these simple variants all belong to the scope of protection of the present invention.It is as described in the above specific embodiments each specific
Technical characteristic can be combined in any appropriate way in the case of no contradiction.In order to avoid unnecessary heavy
Multiple, the invention will not be further described in various possible combinations.
Claims (6)
1. a kind of polarizer, which is characterized in that including polarizing coating (155) and the film in (155) one side surface of polarizing coating is arranged
Lamella (156), which, which is at least stacked with by the different diaphragm of two panels index of refraction, forms, and the membrane layer (156)
Away from the direction of the polarizing coating (155), respectively the index of refraction of the diaphragm is sequentially reduced, which is arranged in liquid crystal
On display panel, which includes primary diaphragm (1561), secondary diaphragm (1562) and third diaphragm (1563), is somebody's turn to do
Primary diaphragm (1561) is arranged on the side surface of the polarizing coating (155), which is set to the primary diaphragm
(1561) on, which is arranged on the secondary diaphragm (1562), and the index of refraction of the primary diaphragm (1561)
Greater than the index of refraction of the secondary diaphragm (1562), the index of refraction of the secondary diaphragm (1562) is greater than the folding of the third diaphragm (1563)
Light rate, the primary diaphragm (1561) are hard diaphragm.
2. polarizer as described in claim 1, which is characterized in that the primary diaphragm (1561) of the membrane layer (156) is selected from
One of zinc oxide diaphragm, zinc sulphide diaphragm and selenium glass diaphragm.
3. polarizer as described in claim 1, which is characterized in that the polarizing coating (155) is another far from the membrane layer (156)
Side surface is equipped with protective film (157), and third diaphragm (1563) and the protective film (157) of the membrane layer (156) are optics benefit
Repay film.
4. polarizer as described in claim 1, which is characterized in that the secondary diaphragm (1562) is hard diaphragm.
5. a kind of display panel structure, including display panel, which is characterized in that the display panel structure further includes claim 1
To 4 described in any item polarizers, which is arranged on the side surface of the display panel.
6. a kind of display device, which is characterized in that including the display panel structure described in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510607420.0A CN105182461B (en) | 2015-09-22 | 2015-09-22 | Polarizer and display panel structure and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510607420.0A CN105182461B (en) | 2015-09-22 | 2015-09-22 | Polarizer and display panel structure and display device |
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| Publication Number | Publication Date |
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| CN105182461A CN105182461A (en) | 2015-12-23 |
| CN105182461B true CN105182461B (en) | 2019-04-05 |
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| CN201510607420.0A Active CN105182461B (en) | 2015-09-22 | 2015-09-22 | Polarizer and display panel structure and display device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208721949U (en) * | 2018-09-30 | 2019-04-09 | 惠科股份有限公司 | Structure of polarized light, display panel and display device |
| CN109143444A (en) * | 2018-09-30 | 2019-01-04 | 惠科股份有限公司 | Structure of polarized light, display panel and display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650447A (en) * | 2008-08-13 | 2010-02-17 | 索尼株式会社 | Optical film and manufacturing method therefor, antiglare film, optical layer-attached polarizer, and dispaly apparatus |
| CN101685168A (en) * | 2008-09-26 | 2010-03-31 | 富士胶片株式会社 | Antiglare film, antireflection film, polarizing plate and image display device |
| CN104252016A (en) * | 2013-06-28 | 2014-12-31 | 第一毛织株式会社 | Polarizing plate for OLED and OLED display including the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5728298B2 (en) * | 2010-06-10 | 2015-06-03 | 富士フイルム株式会社 | Optical film, polarizing plate, and image display device |
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2015
- 2015-09-22 CN CN201510607420.0A patent/CN105182461B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650447A (en) * | 2008-08-13 | 2010-02-17 | 索尼株式会社 | Optical film and manufacturing method therefor, antiglare film, optical layer-attached polarizer, and dispaly apparatus |
| CN101685168A (en) * | 2008-09-26 | 2010-03-31 | 富士胶片株式会社 | Antiglare film, antireflection film, polarizing plate and image display device |
| CN104252016A (en) * | 2013-06-28 | 2014-12-31 | 第一毛织株式会社 | Polarizing plate for OLED and OLED display including the same |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |