CN104062802A - Round polaroid, liquid crystal display panel and liquid crystal display device - Google Patents
Round polaroid, liquid crystal display panel and liquid crystal display device Download PDFInfo
- Publication number
- CN104062802A CN104062802A CN201410337401.6A CN201410337401A CN104062802A CN 104062802 A CN104062802 A CN 104062802A CN 201410337401 A CN201410337401 A CN 201410337401A CN 104062802 A CN104062802 A CN 104062802A
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- China
- Prior art keywords
- rotatory polarization
- polarization sheet
- liquid crystal
- display panels
- polaroid
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a round polaroid which comprises a line polaroid (31), at least one first antireflection membrane (33) and a quarter wave plate (32). The line polaroid (31) is provided with an absorbing axis. The first antireflection membrane (33) is arranged on the lower surface of the line polaroid (31). The quarter wave plate (32) is arranged on the lower surface of the first antireflection membrane (33), and the included angle of the slow axis of the quarter wave plate (32) and the absorbing axis of the line polaroid (31) is 45 degrees. The invention further discloses a liquid crystal display panel with the round polaroid and a liquid crystal display device. According to the round polaroid, the liquid crystal display panel and the liquid crystal display device, the light transmittance of the round polaroid is improved by adding the antireflection membrane, and thus the display effect of the liquid crystal display panel is improved; thus, the penetration rate of the liquid crystal display panel or the luminous intensity of a backlight module can be relatively lowered, and manufacturing cost can be greatly reduced.
Description
Technical field
The invention belongs to technical field of liquid crystal display, specifically, relate to a kind of rotatory polarization sheet, display panels and liquid crystal indicator that can improve light transmission rate.
Background technology
Along with the evolution of photoelectricity and semiconductor technology, also driven the flourish of flat-panel monitor (Flat Panel Display), and in many flat-panel monitors, liquid crystal indicator (Liquid Crystal Display, be called for short LCD) because thering is many advantageous characteristic such as high spatial utilization ratio, low consumpting power, radiationless and low electromagnetic interference (EMI), become the main flow in market.
Liquid crystal indicator generally includes display panels (Liquid Crystal Panel) and backlight module (Black Light Module is called for short BL).Because display panels itself does not have self luminous characteristic, therefore backlight module must be configured in to display panels below, to provide display panels required area source, the area source that so display panels can provide by backlight module and show image.
In order to make normally display frame of display panels, conventionally attach respectively polaroid at upper surface and the lower surface of display panels.Currently used polaroid is generally divided into two kinds, and wherein one is light face polaroid, and another kind is cloudy surface polaroid.But the light transmission rate of these two kinds of polaroids is all not high, wherein, the light transmission rate of light face polaroid is generally between 42% to 44%, and the light transmission rate of cloudy surface polaroid is generally between 41% to 42%.The light transmission rate of polaroid will directly affect the display effect of display panels, this is because display panels must have certain brightness while showing, if the light transmission rate deficiency of polaroid, will be by promoting the penetrance of display panels or the luminous intensity of backlight module etc., these all will increase manufacturing cost greatly.
Summary of the invention
The problem existing in order to solve above-mentioned prior art, the object of the present invention is to provide a kind of rotatory polarization sheet, comprising: line polaroid, has an absorption axes; At least one the first anti-reflection diaphragm, is arranged on the lower surface of described line polaroid; Quarter wave plate, is arranged on the lower surface of described the first anti-reflection diaphragm, and the angle of the absorption axes of its slow axis and described line polaroid is 45 degree or 135 degree;
Further, described rotatory polarization sheet also comprises: at least one the second anti-reflection diaphragm, is arranged on the lower surface of described quarter wave plate.
Further, described rotatory polarization sheet also comprises: protective film, is arranged on the upper surface of described line polaroid.
Further, described rotatory polarization sheet also comprises: adhesive layer, is arranged on the lower surface of described quarter wave plate;
Further, described rotatory polarization sheet also comprises: adhesive layer, is arranged on the lower surface of described the second anti-reflection diaphragm;
Further, described rotatory polarization sheet also comprises: release film layer, is arranged on the lower surface of described adhesive layer.
Another object of the present invention is also to provide a kind of display panels, comprise liquid crystal cell, fit in the first rotatory polarization sheet on the upper surface of described liquid crystal cell and fit in the second rotatory polarization sheet on the lower surface of described liquid crystal cell, wherein, described the first rotatory polarization sheet and described the second rotatory polarization sheet are above-mentioned rotatory polarization sheet.
Further, described liquid crystal cell comprises: first substrate, its upper surface and described the first rotatory polarization sheet laminating; Second substrate, its lower surface and described the second rotatory polarization sheet laminating; Liquid crystal layer, is arranged between described first substrate and described second substrate.
Another object of the present invention is again to provide a kind of liquid crystal indicator, comprise backlight module and be arranged at the display panels on described backlight module, described backlight module provides display light source to described display panels, so that described display panels show image, wherein, described display panels is above-mentioned display panels.
Further, described backlight module is down straight aphototropism mode set or side entrance back module.
The present invention improves the light transmission rate of rotatory polarization sheet by increasing anti-reflection diaphragm, thereby promote the display effect of display panels, and then can relatively reduce the penetrance of display panels or the luminous intensity of backlight module etc., greatly reduce manufacturing cost.
Brief description of the drawings
The following description of carrying out in conjunction with the drawings, above-mentioned and other side, feature and the advantage of embodiments of the invention will become clearer, in accompanying drawing:
Fig. 1 is the structural representation of liquid crystal indicator according to an embodiment of the invention;
Fig. 2 is the structural representation of rotatory polarization sheet according to an embodiment of the invention;
Fig. 3 is the structural representation of rotatory polarization sheet according to another embodiment of the present invention.
Embodiment
Below, describe with reference to the accompanying drawings embodiments of the invention in detail.But, can implement in many different forms the present invention, and the present invention should not be interpreted as being limited to the specific embodiment of setting forth here.On the contrary, it is in order to explain principle of the present invention and practical application thereof that these embodiment are provided, thereby makes others skilled in the art can understand various embodiment of the present invention and be suitable for the various amendments that particular desired is applied.
In the accompanying drawings, identical label will be used to indicate identical element all the time.Although will be appreciated that and can use term " first ", " second " etc. to describe various elements here, these elements should not be subject to the restriction of these terms.These terms are only for separating an element and another element region.
Fig. 1 is the structural representation of liquid crystal indicator according to an embodiment of the invention.
Please refer to Fig. 1, liquid crystal indicator comprises backlight module 10 and is arranged at the display panels 20 on backlight module 10 according to an embodiment of the invention, wherein, backlight module 10 provides display light source to display panels 20, so that display panels 20 show images.In the present embodiment, backlight module 10 can be for example side entrance back module or down straight aphototropism mode set.Should be understood that, the structure of backlight module is that those skilled in the art is known according to an embodiment of the invention, for simply clear, does not repeat them here.
Display panels 20 comprises liquid crystal cell 21, fit in the first rotatory polarization sheet 22 on the upper surface of this liquid crystal cell 21 and fit in the second rotatory polarization sheet 23 on the lower surface of this liquid crystal cell 21.
Liquid crystal cell 21 comprise first substrate 211, second substrate 212 and be located in first substrate 211 and second substrate 212 between liquid crystal layer 213.Should be understood that, liquid crystal cell 21 also comprises miscellaneous part according to an embodiment of the invention, and these parts are all that those skilled in the art is known, for simply clear, do not repeat them here.
First substrate 211 can be for example colored filter substrate, and its upper surface can for example be fitted by pressure sensitive adhesive and the first rotatory polarization sheet 22.Second substrate 212 can be for example thin-film transistor array base-plate, and its lower surface can for example be fitted by pressure sensitive adhesive and the second rotatory polarization sheet 23.Liquid crystal layer 213 can comprise some liquid crystal molecules.
To the structure of the first rotatory polarization sheet 22 and the second rotatory polarization sheet 23 be described in detail below.In the present embodiment, the first rotatory polarization sheet 22 and the second rotatory polarization sheet 23 have identical 26S Proteasome Structure and Function.Fig. 2 is the structural representation of rotatory polarization sheet according to an embodiment of the invention.Should be appreciated that according to the first rotatory polarization sheet 22 of the embodiment of the present invention and the second rotatory polarization sheet 23 and be the rotatory polarization sheet shown in the rotatory polarization sheet shown in Fig. 2 or Fig. 3.
Please refer to Fig. 2, rotatory polarization sheet comprises line polaroid 31, quarter wave plate 32 and the first anti-reflection diaphragm 33 according to an embodiment of the invention.
Line polaroid 31 can have an absorption axes, and this absorption axes absorbs the direction light parallel with this absorption axes, only allows the direction light vertical with this absorption axes to pass through, and natural light can be transformed into linearly polarized light like this.
Quarter wave plate 32 has a slow axis, and the angle of the absorption axes of this slow axis and line polaroid 31 is 45 degree or 135 degree.In other words, the angle of the absorption axes of the slow axis of quarter wave plate 32 and line polaroid 31 is ± 45 degree.Like this, after natural light is successively by quarter wave plate 32 and line polaroid 31, can be transformed into circularly polarized light.
The first anti-reflection diaphragm 33 can be arranged on the lower surface of line polaroid 31, and quarter wave plate 32 can be arranged on the lower surface of the first anti-reflection diaphragm 33.By the first anti-reflection diaphragm 33 is set on the upper surface at quarter wave plate 32, can increase the light transmission rate of whole rotatory polarization sheet, so that increase by the light intensity of rotatory polarization sheet.Should be understood that, the first anti-reflection diaphragm 33 has Overlay according to an embodiment of the invention, after being multiple first anti-reflection diaphragm 33 stacks, can increase further the light transmission rate of whole rotatory polarization sheet, therefore the first anti-reflection diaphragm 33 of any amount is set on the lower surface of polaroid 31 online.
In addition, in the present embodiment, for protective wire polaroid 31, avoid its damage, rotatory polarization sheet also comprises protective film 34 according to an embodiment of the invention, and it is arranged on the upper surface of line polaroid 31.
In addition, in order to realize the laminating of rotatory polarization sheet and liquid crystal cell 21, rotatory polarization sheet also comprises adhesive layer 35 according to an embodiment of the invention, and it is arranged on the lower surface of quarter wave plate 32.In the present embodiment, the cementing agent that adhesive layer 35 comprises can be for example pressure sensitive adhesive, but the present invention is not restricted to this.For adhesive layer 35 is protected, avoid it to be polluted, cause cohesive force to decline, rotatory polarization sheet also comprises release film layer 36 according to an embodiment of the invention, it is arranged on the lower surface of adhesive layer 35.Should be understood that, in the time that rotatory polarization sheet and liquid crystal cell 21 are fitted, release film layer 36 need to be peeled off, then the rotatory polarization sheet and the liquid crystal cell 21 that peel off release film layer 36 are fitted.
Fig. 3 is the structural representation of rotatory polarization sheet according to another embodiment of the present invention.
In the description of the rotatory polarization sheet of the present embodiment, do not repeat them here with the rotatory polarization sheet something in common shown in Fig. 2, the difference with the rotatory polarization sheet shown in Fig. 2 is only described.Please refer to Fig. 3, different from the rotatory polarization sheet shown in Fig. 2, the rotatory polarization sheet shown in Fig. 3 also comprises the second anti-reflection diaphragm 37, and it is arranged on the lower surface of quarter wave plate 32.By the first anti-reflection diaphragm 33 and the second anti-reflection diaphragm 37 being set respectively on the lower surface of online polaroid 31 and on the lower surface of quarter wave plate 32, can increase further the light transmission rate of whole rotatory polarization sheet, so that further increase by the light intensity of rotatory polarization sheet.Should be understood that, the second anti-reflection diaphragm 37 also has Overlay according to an embodiment of the invention, after being multiple second anti-reflection diaphragm 37 stacks, can increase further the light transmission rate of whole rotatory polarization sheet, therefore the second anti-reflection diaphragm 37 of any amount can be set on the lower surface of quarter wave plate 32.
Corresponding, adhesive layer 35 is arranged on the lower surface of the second anti-reflection diaphragm 37, to realize the laminating of rotatory polarization sheet and liquid crystal cell 21.
In sum, according to embodiments of the invention, improve the light transmission rate of rotatory polarization sheet by increasing anti-reflection diaphragm, thereby promote the display effect of display panels, and then can relatively reduce the penetrance of display panels or the luminous intensity of backlight module etc., greatly reduce manufacturing cost.
Although exemplified and described the present invention with reference to particular implementation, but it should be appreciated by those skilled in the art that: in the case of not departing from the spirit and scope of the present invention that limited by claim and equivalent thereof, can carry out the various variations in form and details at this.
Claims (10)
1. a rotatory polarization sheet, comprising:
Line polaroid (31), has an absorption axes;
At least one the first anti-reflection diaphragm (33), is arranged on the lower surface of described line polaroid (31);
Quarter wave plate (32), is arranged on the lower surface of described the first anti-reflection diaphragm (33), and the angle of the absorption axes of its slow axis and described line polaroid (31) is 45 degree or 135 degree.
2. rotatory polarization sheet according to claim 1, is characterized in that, described rotatory polarization sheet also comprises:
At least one the second anti-reflection diaphragm (37), is arranged on the lower surface of described quarter wave plate (32).
3. rotatory polarization sheet according to claim 1 and 2, is characterized in that, described rotatory polarization sheet also comprises: protective film (34), is arranged on the upper surface of described line polaroid (31).
4. rotatory polarization sheet according to claim 1, is characterized in that, described rotatory polarization sheet also comprises: adhesive layer (35), is arranged on the lower surface of described quarter wave plate (32).
5. rotatory polarization sheet according to claim 1, is characterized in that, described rotatory polarization sheet also comprises: adhesive layer (35), is arranged on the lower surface of described the second anti-reflection diaphragm (37).
6. according to the rotatory polarization sheet described in claim 4 or 5, it is characterized in that, described rotatory polarization sheet also comprises: release film layer (36), is arranged on the lower surface of described adhesive layer (35).
7. a display panels, comprise liquid crystal cell (21), fit in the first rotatory polarization sheet (22) on the upper surface of described liquid crystal cell (21) and fit in the second rotatory polarization sheet (23) on the lower surface of described liquid crystal cell (21), it is characterized in that, described the first rotatory polarization sheet (22) and described the second rotatory polarization sheet (23) are the rotatory polarization sheet described in claim 1 to 5 any one.
8. display panels according to claim 7, is characterized in that, described liquid crystal cell (21) comprising:
First substrate (211), its upper surface and described the first rotatory polarization sheet (22) laminating;
Second substrate (212), its lower surface and described the second rotatory polarization sheet (23) laminating;
Liquid crystal layer (213), is arranged between described first substrate (211) and described second substrate (212).
9. a liquid crystal indicator, comprise backlight module (10) and be arranged at the display panels (20) on described backlight module (10), described backlight module (10) provides display light source to described display panels (20), so that described display panels (20) show image, it is characterized in that, described display panels (20) is the display panels (20) described in claim 7 or 8.
10. liquid crystal indicator according to claim 9, is characterized in that, described backlight module (10) is down straight aphototropism mode set or side entrance back module.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410337401.6A CN104062802A (en) | 2014-07-15 | 2014-07-15 | Round polaroid, liquid crystal display panel and liquid crystal display device |
PCT/CN2014/082423 WO2016008142A1 (en) | 2014-07-15 | 2014-07-17 | Circular polarizer, liquid crystal display panel and liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410337401.6A CN104062802A (en) | 2014-07-15 | 2014-07-15 | Round polaroid, liquid crystal display panel and liquid crystal display device |
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CN104062802A true CN104062802A (en) | 2014-09-24 |
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Application Number | Title | Priority Date | Filing Date |
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CN201410337401.6A Pending CN104062802A (en) | 2014-07-15 | 2014-07-15 | Round polaroid, liquid crystal display panel and liquid crystal display device |
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CN (1) | CN104062802A (en) |
WO (1) | WO2016008142A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105807354A (en) * | 2014-12-30 | 2016-07-27 | 财团法人工业技术研究院 | Ambient light resistant reflective film |
CN106324886A (en) * | 2015-06-22 | 2017-01-11 | 上海冠显光电科技有限公司 | Display module visible in sunlight |
CN107910354A (en) * | 2017-11-24 | 2018-04-13 | 信利光电股份有限公司 | A kind of flexibility touch-control display module and electronic display unit |
CN111950335A (en) * | 2019-05-17 | 2020-11-17 | 华为技术有限公司 | Laminated structure, display panel and electronic device |
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CN1953238A (en) * | 2006-11-28 | 2007-04-25 | 友达光电股份有限公司 | An electroluminescence display |
US20080252815A1 (en) * | 2007-04-13 | 2008-10-16 | Wintek Corporation | Polarization structure and liquid crystal display device having the same |
CN101539685A (en) * | 2007-12-21 | 2009-09-23 | 奇美电子股份有限公司 | LCD display device and manufacturing method thereof |
US20100053524A1 (en) * | 2008-08-29 | 2010-03-04 | Su Chang An | Display device |
Family Cites Families (3)
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CN202747156U (en) * | 2012-08-29 | 2013-02-20 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
CN203607413U (en) * | 2013-11-12 | 2014-05-21 | 宸鸿光电科技股份有限公司 | Lighting display device |
CN203607414U (en) * | 2013-11-12 | 2014-05-21 | 宸鸿光电科技股份有限公司 | Lighting display device |
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2014
- 2014-07-15 CN CN201410337401.6A patent/CN104062802A/en active Pending
- 2014-07-17 WO PCT/CN2014/082423 patent/WO2016008142A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1953238A (en) * | 2006-11-28 | 2007-04-25 | 友达光电股份有限公司 | An electroluminescence display |
US20080252815A1 (en) * | 2007-04-13 | 2008-10-16 | Wintek Corporation | Polarization structure and liquid crystal display device having the same |
CN101539685A (en) * | 2007-12-21 | 2009-09-23 | 奇美电子股份有限公司 | LCD display device and manufacturing method thereof |
US20100053524A1 (en) * | 2008-08-29 | 2010-03-04 | Su Chang An | Display device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105807354A (en) * | 2014-12-30 | 2016-07-27 | 财团法人工业技术研究院 | Ambient light resistant reflective film |
CN106324886A (en) * | 2015-06-22 | 2017-01-11 | 上海冠显光电科技有限公司 | Display module visible in sunlight |
CN107910354A (en) * | 2017-11-24 | 2018-04-13 | 信利光电股份有限公司 | A kind of flexibility touch-control display module and electronic display unit |
CN111950335A (en) * | 2019-05-17 | 2020-11-17 | 华为技术有限公司 | Laminated structure, display panel and electronic device |
WO2020233521A1 (en) * | 2019-05-17 | 2020-11-26 | 华为技术有限公司 | Laminated structure, display panel and electronic device |
CN111950335B (en) * | 2019-05-17 | 2023-07-21 | 荣耀终端有限公司 | Laminated structure, display panel and electronic device |
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Publication number | Publication date |
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WO2016008142A1 (en) | 2016-01-21 |
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