CN105182461A - Polarizer, display panel structure and display device - Google Patents
Polarizer, display panel structure and display device Download PDFInfo
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- CN105182461A CN105182461A CN201510607420.0A CN201510607420A CN105182461A CN 105182461 A CN105182461 A CN 105182461A CN 201510607420 A CN201510607420 A CN 201510607420A CN 105182461 A CN105182461 A CN 105182461A
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- diaphragm
- polarizer
- membrane layer
- display panel
- refraction
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Abstract
A polarizer comprises a polarizing membrane and a membrane layer arranged on the surface of one side of the polarizing membrane, the membrane layer is formed by mutually stacking at least two membranes of different refractive indexes and faces a direction far away from the polarizing membrane, and the refractive indexes of the membranes are reduced orderly. The polarizer of the present invention enables the display quality to be improved, the large viewing angle light leak to be reduced and the watching viewing angle to be increased. The present invention also relates to a display panel structure and a display device.
Description
Technical field
The present invention relates to display device technology field, particularly a kind of Polarizer and display panel structure and display device.
Background technology
Liquid crystal indicator (LCD, LiquidCrystalDisplay) has that fuselage is thin, power saving, the many merits such as to penetrate without good fortune, is widely used.Liquid crystal indicator major part on existing market is backlight liquid crystal indicator, and it comprises display panel structure and backlight module (backlightmodule).The principle of work of display panel structure places liquid crystal molecule in the middle of the glass substrate that two panels is parallel, controls liquid crystal molecule and change direction, the light refraction of backlight module is out produced picture by glass substrate power-on voltage.
Usual display panel structure comprises display panel and is arranged on the light inlet Polarizer of display panel downside and is arranged on bright dipping Polarizer on the upside of display panel (polarization direction of light inlet Polarizer is perpendicular to the polarization direction of bright dipping Polarizer).The layer of liquid crystal molecule that display panel comprises two pieces of substrates be oppositely arranged and is arranged between two substrates, and the liquid crystal molecule in layer of liquid crystal molecule can along the friction matching direction orientations of substrate.The frictional direction of two substrates is perpendicular to one another, makes liquid crystal molecule be 90 ° of twist configuration (namely making liquid crystal molecule have optically-active characteristic).Executing in alive situation, the direction along electric field is rearranged orientation by liquid crystal molecule, and makes the axial direction of liquid crystal molecule perpendicular to substrate; Do not executing in alive situation, liquid crystal molecule will along friction matching direction orientations.When the light of backlight module is after light inlet Polarizer, natural polarized light becomes linearly polarized light.If not added electric field, this polarized light is after layer of liquid crystal molecule, and polarization direction half-twist, makes linearly polarized light become elliptically polarized light, therefore penetrates from bright dipping Polarizer.If added electric field, twist configuration is destroyed, and optically-active characteristic disappears thereupon, and this polarized light, after layer of liquid crystal molecule, does not deflect, and is therefore absorbed by bright dipping Polarizer.Because liquid crystal is a kind of anisotropic material, when light is propagated in liquid crystal, birefringence can be there is.When added electric field, liquid crystal molecule arranges along direction of an electric field, light along liquid crystal molecule axial direction is absorbed by bright dipping Polarizer, but depart from the light that namely optical axis depart from the incidence of liquid crystal molecule axial direction will deflect, be deflected to elliptically polarized light from linearly polarized light, therefore can not be absorbed by bright dipping Polarizer completely, there is light leakage phenomena, decline so there will be contrast when observing display panel in wide-angle direction, the situation that contrast reduces, affects display quality.
Summary of the invention
The object of the invention is to, provide a kind of Polarizer, can display quality be improved, reduce light leak with great visual angle, and add viewing visual angle.
Another object of the present invention is to, provide a kind of display panel structure, can display quality be improved, reduce light leak with great visual angle, and add viewing visual angle.
Another object of the present invention is to, provide a kind of display device, can display quality be improved, reduce light leak with great visual angle, and add viewing visual angle.
It is adopt following technical scheme to realize that the present invention solves its technical matters.
A kind of Polarizer, comprises polarizing coating and is arranged on the membrane layer of polarizing coating one side surface, and membrane layer at least stackingly to be formed by the diaphragm that two panels index of refraction is different is mutual, and membrane layer is towards the direction away from polarizing coating, and the index of refraction of each diaphragm reduces successively.
In the preferred embodiment, above-mentioned membrane layer comprises primary diaphragm and secondary diaphragm, and primary diaphragm is arranged on the side surface of polarizing coating, and secondary diaphragm is arranged on primary diaphragm, and the index of refraction of primary diaphragm is greater than the index of refraction of secondary diaphragm.
In the preferred embodiment, above-mentioned polarizing coating is provided with diaphragm away from the opposite side surface of membrane layer, and the secondary diaphragm of membrane layer and diaphragm 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 be selected from zinc paste diaphragm, zinc sulphide diaphragm and selenium glass diaphragm one of them.
In the preferred embodiment, above-mentioned membrane layer comprises primary diaphragm, secondary diaphragm and tertiary membrane sheet, primary diaphragm is arranged on the side surface of polarizing coating, secondary diaphragm is arranged on primary diaphragm, tertiary membrane sheet 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 tertiary membrane sheet.
In the preferred embodiment, above-mentioned polarizing coating is provided with diaphragm away from the opposite side surface of membrane layer, and the tertiary membrane sheet of membrane layer and diaphragm 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, comprises display panel.Display panel structure also comprises above-mentioned Polarizer, and Polarizer is arranged on the side surface of display panel.
A kind of display device, comprises above-mentioned display panel structure.
Polarizer of the present invention has the different membrane layer of index of refraction, and the size of the index of refraction of membrane layer is along the direction away from polarizing coating, and the index of refraction of each diaphragm reduces (membrane layer of Polarizer meets the condition that total reflection occurs) gradually.The light that light source sends is through the Polarizer (being positioned at the Polarizer away from backlight module) of display panel, and when the incident angle being in the light propagated in membrane layer meets total reflection condition, light reflects by the diaphragm of membrane layer.Therefore, light leakage phenomena when Polarizer of the present invention decreases with great visual angle significantly, adds the viewing visual angle of display panel, and improves the display quality of display screen.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of display device of the present invention.
Fig. 2 is the cross-sectional schematic of the Polarizer of first embodiment of the invention.
Fig. 3 is the cross-sectional schematic of the Polarizer of second embodiment of the invention.
Fig. 4 is the cross-sectional schematic of the Polarizer of third embodiment of the invention.
Fig. 5 is the cross-sectional schematic of the Polarizer of fourth embodiment of the invention.
Fig. 6 is the schematic diagram of the Polarizer refracted ray of display panel structure of the present invention.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the Polarizer propose foundation the present invention and the embodiment of display panel structure and display device, structure, feature and effect thereof are as follows in detail:
Aforementioned and other technology contents, Characteristic for the present invention, can know and present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of embodiment, when can to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Fig. 1 is the sectional structure schematic diagram of display device of the present invention.As shown in Figure 1, in the present embodiment, display device 100 comprises front frame 110, backboard 120, glue frame 130, backlight module 140 and display panel structure 150.Front frame 110 engages with glue frame 130, and glue frame 130 is arranged (namely glue frame 130 is arranged between front frame 110 and backboard 120) around backboard 120.Backlight module 140 is arranged on backboard 120, and display panel structure 150 is arranged on the top of backlight module 140, and the side of display panel structure 150 is crimped on glue frame 130.
As shown in Figure 1, backlight module 140 comprises light guide plate 142, light source 144 and diffusion sheet 146.Light guide plate 142 is arranged on backboard 120, and light source 144 is arranged at the side of light guide plate 142, and diffusion sheet 146 is arranged in light guide plate 142, and is positioned at the below of display panel structure 150.The light that light source 144 sends penetrates from the upper surface of display panel structure 150 through light guide plate 142 and diffusion sheet 146.
Display panel structure 150 comprises display panel 152 and is arranged on Polarizer 154a, 154b, 154c, 154d of display panel about 152 both side surface.
Fig. 2 is the cross-sectional schematic of the Polarizer of first embodiment of the invention.As depicted in figs. 1 and 2, in the present embodiment, Polarizer 154a comprises polarizing coating 155 and is arranged on the membrane layer 156 of polarizing coating 155 1 side surface, and the polarizing coating 155 of Polarizer 154a is arranged on display panel 152.Membrane layer 156 comprises primary diaphragm 1561 and the secondary diaphragm 1562 of mutual stacking connection, and primary diaphragm 1561 is connected on polarizing coating 155 by viscose glue, and secondary diaphragm 1562 is arranged on primary diaphragm 1561.In the present embodiment, the index of refraction of primary diaphragm 1561 is greater than the index of refraction of secondary diaphragm 1562; Particularly, primary diaphragm 1561 is selected from the larger zinc paste diaphragm of index of refraction, zinc sulphide diaphragm and selenium glass diaphragm one of them (wherein the index of refraction of zinc paste diaphragm is 2.17, the index of refraction of zinc sulphide diaphragm is 2.368, the index of refraction of selenium glass diaphragm be 2.6), but not as limit; Secondary diaphragm 1562 is optical compensation films, preferably, secondary diaphragm 1562 for index of refraction be the Triafol T (Tri-celluloseAcetate, TCA) of 1.48.It is worth mentioning that, penetrate membrane layer 156 to prevent moisture content enter between membrane layer 156 and polarizing coating 155 and produce display panel 152 side light leakage phenomena (i.e. Butterlymura phenomenon), the primary diaphragm 1561 of the membrane layer 156 in the present embodiment is hard diaphragm (also can select the hard diaphragm that density is larger and waterproof).
Fig. 3 is the cross-sectional schematic of the Polarizer of second embodiment of the invention.Display panel structure 150 in the present embodiment is roughly the same with the display panel structure 150 in the first embodiment, and difference is that the structure of Polarizer is different.As shown in Figure 3; in the present embodiment; Polarizer 154b comprises polarizing coating 155 and is arranged on the membrane layer 156 of polarizing coating 155 1 side surface and is arranged on polarizing coating 155 opposite side surface protection film 157, and the diaphragm 157 of Polarizer 154b is arranged on display panel 152.Membrane layer 156 comprises primary diaphragm 1561 and the secondary diaphragm 1562 of mutual stacking connection, and primary diaphragm 1561 is connected on polarizing coating 155 by viscose glue, and secondary diaphragm 1562 is arranged on primary diaphragm 1561.In the present embodiment, secondary diaphragm 1562 and diaphragm 157 are optical compensation films, preferably, secondary diaphragm 1562 and diaphragm 157 for index of refraction be the Triafol T (Tri-celluloseAcetate, TCA) of 1.48, but not as limit.
Fig. 4 is the cross-sectional schematic of the Polarizer of third embodiment of the invention.Display panel structure 150 in the present embodiment is roughly the same with the display panel structure 150 in the first embodiment, and difference is that the structure of Polarizer is different.As shown in Figure 4, in the present embodiment, Polarizer 154c comprises polarizing coating 155 and is arranged on the membrane layer 156 of polarizing coating 155 1 side surface, and the polarizing coating 155 of Polarizer 154c is arranged on display panel 152.Membrane layer 156 comprises the primary diaphragm 1561 of mutual stacking connection, secondary diaphragm 1562 and tertiary membrane sheet 1563, and primary diaphragm 1561 is connected on polarizing coating 155 by viscose glue, secondary diaphragm 1562 is arranged on primary diaphragm 1561, and tertiary membrane sheet 1563 is arranged on secondary diaphragm 1562.In the present embodiment, the index of refraction of primary 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 the index of refraction of tertiary membrane sheet 1563; Particularly, primary diaphragm 1561 is selected from the larger zinc paste diaphragm of index of refraction, zinc sulphide diaphragm and selenium glass diaphragm one of them (wherein the index of refraction of zinc paste diaphragm is 2.17, the index of refraction of zinc sulphide diaphragm is 2.368, the index of refraction of selenium glass diaphragm be 2.6), but not as limit; Tertiary membrane sheet 1563 for index of refraction be the Triafol T (Tri-celluloseAcetate, TCA) of 1.48.It is worth mentioning that, penetrate membrane layer 156 to prevent moisture content enter between membrane layer 156 and polarizing coating 155 and produce display panel 152 side light leakage phenomena (i.e. Butterlymura phenomenon), the primary diaphragm 1561 of the membrane layer 156 in the present embodiment or secondary diaphragm 1562 are hard diaphragm (also can select the hard diaphragm that density is larger and waterproof).
Fig. 5 is the cross-sectional schematic of the Polarizer of fourth embodiment of the invention.Display panel structure 150 in the present embodiment is roughly the same with the display panel structure 150 in the 3rd embodiment, and difference is that the structure of Polarizer is different.As shown in Figure 5; in the present embodiment; Polarizer 154d comprises polarizing coating 155 and is arranged on the membrane layer 156 of polarizing coating 155 1 side surface and is arranged on polarizing coating 155 opposite side surface protection film 157, and the diaphragm 157 of Polarizer 154d is attached on display panel 152.Membrane layer 156 comprises the primary diaphragm 1561 of mutual stacking connection, secondary diaphragm 1562 and tertiary membrane sheet 1563, and primary diaphragm 1561 is connected on polarizing coating 155 by viscose glue, secondary diaphragm 1562 is arranged on primary diaphragm 1561, and tertiary membrane sheet 1563 is arranged on secondary diaphragm 1562.In the present embodiment, tertiary membrane sheet 1563 and diaphragm 157 are optical compensation films, preferably, tertiary membrane sheet 1563 and diaphragm 157 for index of refraction be the Triafol T (Tri-celluloseAcetate, TCA) of 1.48, but not as limit.
The diaphragm number of the membrane layer 156 of Polarizer 154a, 154b, 154c, 154d of the present invention according to actual needs can unrestricted choice (diaphragm number is more than or equal to 2), as long as ensure that membrane layer 156 is towards the direction away from polarizing coating 155, the index of refraction of each diaphragm reduces successively.
Fig. 6 is the schematic diagram of the Polarizer refracted ray of display panel structure of the present invention.Be described with the first embodiment, as shown in Figure 6, the light sent by light source 144 enters Polarizer 154a after display panel 152, eventually passes the primary diaphragm 1561 on polarizing coating 155 and the rear injection of secondary diaphragm 1562.Index of refraction due to primary diaphragm 1561 is greater than the index of refraction of secondary diaphragm 1562, therefore the condition that total reflection occurs light is met, when the incident angle of light increases to a certain numerical value, light establishes the refraction angle to secondary diaphragm 1562 will reach 90 ° from primary diaphragm 1561, if increase the angle of incident angle again, the light be in primary diaphragm 1561 cannot penetrate from secondary diaphragm 1562, namely be reflected by secondary diaphragm 1562.
Polarizer 154a, 154b, 154c, 154d of the present invention are arranged on the both sides up and down of display panel 152, Polarizer 154a, 154b, 154c, 154d has the different membrane layer of index of refraction 156, and the size of the index of refraction of membrane layer 156 is along the direction away from polarizing coating 155, the index of refraction of each diaphragm reduces (membrane layer 156 of Polarizer 154a, 154b, 154c, 154d meets the condition that total reflection occurs) gradually.The light that light source 144 sends is through Polarizer 154a, 154b, 154c, 154d (being positioned at Polarizer 154a, 154b, 154c, the 154d away from backlight module 140) of display panel 152, when the incident angle being in the light propagated in membrane layer 156 meets total reflection condition, light reflects by the diaphragm of membrane layer 156.Therefore, light leakage phenomena when Polarizer 154a, 154b, 154c, 154d of the present invention decrease with great visual angle significantly, adds the viewing visual angle of display panel 152, and improves the display quality of display screen.In addition, hard diaphragm is provided with in the membrane layer 156 of Polarizer 154a, 154b, 154c, 154d of the present invention, moisture content effectively can be stoped to penetrate between membrane layer 156 and polarizing coating 155, avoid display panel 152 side light leakage phenomena (i.e. Butterlymura phenomenon).
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.Each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
Claims (10)
1. a Polarizer, it is characterized in that, comprise polarizing coating (155) and be arranged on the membrane layer (156) of this polarizing coating (155) one side surface, this membrane layer (156) at least stackingly to be formed by the diaphragm that two panels index of refraction is different is mutual, and this membrane layer (156) is towards the direction away from this polarizing coating (155), respectively the index of refraction of this diaphragm reduces successively.
2. Polarizer as claimed in claim 1, it is characterized in that, this membrane layer (156) comprises primary diaphragm (1561) and secondary diaphragm (1562), this primary diaphragm (1561) is arranged on the side surface of this polarizing coating (155), this secondary diaphragm (1562) is arranged on this primary diaphragm (1561), and the index of refraction of this primary diaphragm (1561) is greater than the index of refraction of this secondary diaphragm (1562).
3. Polarizer as claimed in claim 2; it is characterized in that; this polarizing coating (155) is provided with diaphragm (157) away from the opposite side surface of this membrane layer (156), and this secondary diaphragm (1562) and this diaphragm (157) of this membrane layer (156) are optical compensation films.
4. Polarizer as claimed in claim 2, it is characterized in that, this primary diaphragm (1561) of this membrane layer (156) is hard diaphragm.
5. Polarizer as claimed in claim 2, is characterized in that, this primary diaphragm (1561) of this membrane layer (156) be selected from zinc paste diaphragm, zinc sulphide diaphragm and selenium glass diaphragm one of them.
6. Polarizer as claimed in claim 1, it is characterized in that, this membrane layer (156) comprises primary diaphragm (1561), secondary diaphragm (1562) and tertiary membrane sheet (1563), this primary diaphragm (1561) is arranged on the side surface of this polarizing coating (155), this secondary diaphragm (1562) is arranged on this primary diaphragm (1561), this tertiary membrane sheet (1563) is arranged on this secondary diaphragm (1562), and the index of refraction of this primary diaphragm (1561) is greater than the index of refraction of this secondary diaphragm (1562), the index of refraction of this secondary diaphragm (1562) is greater than the index of refraction of this tertiary membrane sheet (1563).
7. Polarizer as claimed in claim 6; it is characterized in that; this polarizing coating (155) is provided with diaphragm (157) away from the opposite side surface of this membrane layer (156), and this tertiary membrane sheet (1563) and this diaphragm (157) of this membrane layer (156) are optical compensation films.
8. Polarizer as claimed in claim 6, it is characterized in that, this primary diaphragm (1561) of this membrane layer (156) or this secondary diaphragm (1562) are hard diaphragm.
9. a display panel structure, comprises display panel, it is characterized in that, this display panel structure also comprises the Polarizer described in any one of claim 1 to 8, and this Polarizer is arranged on the side surface of this display panel.
10. a display device, is characterized in that, comprises display panel structure according to claim 9.
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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| CN201510607420.0A CN105182461B (en) | 2015-09-22 | 2015-09-22 | Polarizer and display panel structure and display device |
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| CN105182461A true CN105182461A (en) | 2015-12-23 |
| CN105182461B CN105182461B (en) | 2019-04-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020062562A1 (en) * | 2018-09-30 | 2020-04-02 | 惠科股份有限公司 | Polarizing structure and display device |
| WO2020062568A1 (en) * | 2018-09-30 | 2020-04-02 | 惠科股份有限公司 | Polarizing structure and display device |
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| 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 |
| CN102933994A (en) * | 2010-06-10 | 2013-02-13 | 富士胶片株式会社 | Optical film, polarizer 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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2015
- 2015-09-22 CN CN201510607420.0A patent/CN105182461B/en active Active
Patent Citations (4)
| 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 |
| CN102933994A (en) * | 2010-06-10 | 2013-02-13 | 富士胶片株式会社 | Optical film, polarizer 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062562A1 (en) * | 2018-09-30 | 2020-04-02 | 惠科股份有限公司 | Polarizing structure and display device |
| WO2020062568A1 (en) * | 2018-09-30 | 2020-04-02 | 惠科股份有限公司 | Polarizing structure and display device |
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| Publication number | Publication date |
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| CN105182461B (en) | 2019-04-05 |
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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. |
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