CN106773299A - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
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- CN106773299A CN106773299A CN201611219596.XA CN201611219596A CN106773299A CN 106773299 A CN106773299 A CN 106773299A CN 201611219596 A CN201611219596 A CN 201611219596A CN 106773299 A CN106773299 A CN 106773299A
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- light
- polarization
- liquid crystal
- light source
- state
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 117
- 230000010287 polarization Effects 0.000 claims abstract description 154
- 210000002858 crystal cell Anatomy 0.000 claims abstract description 47
- 238000000605 extraction Methods 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 description 15
- 239000012528 membrane Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000013011 mating Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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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)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of liquid crystal display, including the liquid crystal panel and backlight module being oppositely arranged, liquid crystal panel is made up of liquid crystal cell and the polaroid being arranged on the surface of the dorsad backlight module of liquid crystal cell, and backlight module at least includes：Light guide plate, with light extraction top surface and the light incident sides positioned at light extraction top surface side；Light source, is set relative to light incident sides；Polarization of light state change component, is arranged between light source and light incident sides, and polarization of light state change component is used to change the polarization state of light source emergent ray；The light of light source outgoing is passed sequentially through after polarization of light state change component, light guide plate, liquid crystal cell and polaroid, and its polarization state is linear polarization state.The present invention was set before light source, and the light of light source outgoing can be converted to the polarization of light state change component of linearly polarized light, thus without attaching polaroid on the surface towards backlight module of liquid crystal cell, such that it is able to save production cost.
Description
Technical field
The invention belongs to technical field of liquid crystal display, specifically, it is related to a kind of liquid crystal display.
Background technology
With the evolution of photoelectricity and semiconductor technology, the fluffy of flat-panel monitor (Flat Panel Display) has also been driven
The exhibition of breaking out, and in many flat-panel monitors, liquid crystal display (Liquid Crystal Display, abbreviation LCD) is because having
Many advantageous characteristics such as high spatial utilization ratio, low consumpting power, radiationless and low EMI, have been applied to production life
Various aspects living.
Liquid crystal display generally includes the liquid crystal panel being oppositely arranged and backlight module, and backlight module is provided to liquid crystal panel
Uniform light, so that liquid crystal panel display image.Liquid crystal panel is generally comprised by color membrane substrates (CF substrates) and array base palte
Liquid crystal cell that (Array substrates) is formed to box, the first polaroid being attached on color membrane substrates outer surface and it is attached to array
The second polaroid on outer surface of substrate is constituted.However, expensive due to polaroid, the especially valency of big size polaroid
Lattice, therefore the technical problem that polaroid is urgent need to resolve how is saved while liquid crystal panel can normally show.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to provide it is a kind of can be by array base palte outer surface
The liquid crystal display that polaroid is saved.
According to an aspect of the present invention, there is provided a kind of liquid crystal display, including the liquid crystal panel that is oppositely arranged and backlight
Module, the liquid crystal panel is by liquid crystal cell and the polaroid being arranged on the surface of the dorsad described backlight module of the liquid crystal cell
Composition, the backlight module at least includes：Light guide plate, with light extraction top surface and the incident side positioned at the light extraction top surface side
Face；Light source, is set relative to the light incident sides；Polarization of light state change component, be arranged at the light source with it is described enter light
Between side, the polarization of light state change component is used to change the polarization state of the light source emergent ray；Wherein, it is described
The light of light source outgoing passes sequentially through the polarization of light state change component, the light guide plate, the liquid crystal cell and described
After polaroid, its polarization state is linear polarization state.
Alternatively, the light source is LED light bar, each LED one polarization of light shape of correspondence of the LED light bar
State changes component.
Alternatively, the polarization of light state change component includes linear polarization element, and the light of the light source outgoing passes through
After the linear polarization element, its polarization state is linear polarization state.
Alternatively, from the light source to the light incident sides, order includes linear polarization to the polarization of light state change component
Element and quarter-wave plate, the polarization direction of the linear polarization element and the angle of the optical axis direction of the quarter-wave plate
It it is 45 °, after the light of the light source outgoing is by passing sequentially through the linear polarization element and the quarter-wave plate, its is inclined
Positive status are circular polarization state.
Alternatively, the linear polarization element is in polarization splitting prism, Brewster window, Glan prism and polaroid
It is a kind of.
According to another aspect of the present invention, additionally provide a kind of liquid crystal display, including the liquid crystal panel being oppositely arranged and
Backlight module, the liquid crystal panel is by liquid crystal cell and is arranged at inclined on the surface of the dorsad described backlight module of the liquid crystal cell
Mating plate is constituted, and the backlight module at least includes：Diffuser plate, with light extraction top surface and relative with the light extraction top surface enters light bottom
Face；Light source, relative to it is described enter light bottom surface set；Polarization of light state change component, be arranged at the light source with it is described enter light
Between bottom surface, the polarization of light state change component is used to change the polarization state of the light source emergent ray；Wherein, it is described
The light of light source outgoing passes sequentially through the polarization of light state change component, the diffuser plate, the liquid crystal cell and described
After polaroid, its polarization state is linear polarization state.
Alternatively, the light source includes multiple LEDs of array arrangement, each LED one polarization of light of correspondence
State change component.
Alternatively, the polarization of light state change component from the light source to it is described enter light bottom surface order include linear polarization
Element and quarter-wave plate, the polarization direction of the linear polarization element and the angle of the optical axis direction of the quarter-wave plate
It it is 45 °, after the light of the light source outgoing is by passing sequentially through the linear polarization element and the quarter-wave plate, its is inclined
Positive status are circular polarization state.
Beneficial effects of the present invention：The present invention set before light source and the light of light source outgoing can be converted into linear polarization
The polarization of light state change component of light, thus without attaching polaroid on the surface towards backlight module of liquid crystal cell,
And the size and price of polarization of light state change component are far below the size and price of the polaroid, such that it is able to save life
Produce cost.
Brief description of the drawings
By the following description carried out with reference to accompanying drawing, above and other aspect of embodiments of the invention, feature and advantage
Will become clearer, in accompanying drawing：
Fig. 1 is the structural representation of the liquid crystal display of first embodiment of the invention；
Fig. 2 is the top view of the backlight module of first embodiment of the invention；
Fig. 3 is the structural representation of liquid crystal display according to the second embodiment of the present invention；
Fig. 4 is the structural representation of liquid crystal display according to the third embodiment of the invention；
Fig. 5 is the top view of light source according to the third embodiment of the invention；
Fig. 6 is the structural representation of liquid crystal display according to the fourth embodiment of the invention.
Specific embodiment
Hereinafter, with reference to the accompanying drawings to describing embodiments of the invention in detail.However, it is possible to come real in many different forms
Apply the present invention, and the present invention should not be construed as limited to the specific embodiment that illustrates here.Conversely, there is provided these implementations
Example is in order to explain principle of the invention and its practical application, so that others skilled in the art are it will be appreciated that the present invention
Various embodiments and be suitable for the various modifications of specific intended application.
In the accompanying drawings, in order to understand device, the thickness in layer and region is exaggerated.Identical label is represented all the time in the accompanying drawings
Identical element.
Fig. 1 is the structural representation of the liquid crystal display of first embodiment of the invention.
Reference picture 1, the liquid crystal display of first embodiment of the invention includes：Liquid crystal panel 100 and backlight module
200, wherein liquid crystal panel 100 and backlight module 200 is oppositely arranged.It should be noted that liquid crystal display can also include it
The component of his suitable type, it is all if will be relative
Liquid crystal panel 100 includes：Liquid crystal cell 110, polaroid 120.Liquid crystal cell 110 is oppositely arranged with backlight module 200, partially
Mating plate 120 is attached on the surface of dorsad backlight module 200 of liquid crystal cell 110.It should be noted that in the face of liquid crystal cell 110
Polaroid is not provided with surface to backlight module 200.
Liquid crystal cell 110 include to box set color membrane substrates (CF substrates) 111 and array base palte (Array) substrate 112 with
And it is located in liquid crystal 113 therebetween.Wherein array base palte 112 provides driving voltage by liquid crystal 113, to drive liquid crystal
113 deflections, so that the light that backlight module 200 is provided passes through color membrane substrates 111, to show color image.Polaroid 120 is pasted
It is attached on the surface of array base palte 112 of color membrane substrates 111.It should be noted that liquid crystal panel 100 can also include it
The component of his suitable type.
Backlight module 200 includes：Light guide plate 210, light source 220, polarization of light state change component 230.
Light guide plate 210 includes light extraction top surface 211 and the light incident sides 212 positioned at the side of light extraction top surface 211.Light guide plate
210 light extraction top surface 211 is towards array base palte 112.Light source 220 is set relative to light incident sides 212.Polarization of light state change
Component 230 is arranged between light source 220 and light incident sides 212, and polarization of light state change component 230 is used to change light source 220
The polarization state of emergent ray.
In the present embodiment, the light of the outgoing of light source 220 passes sequentially through polarization of light state change component 230, light guide plate
210th, after liquid crystal cell 110 and polaroid 120, its polarization state is linear polarization state.
Additionally, Fig. 2 is the top view of the backlight module of first embodiment of the invention.Reference picture 2, light source 220 is
LED light bar, the LED light bar includes circuit board 221 and the multiple LEDs 222 being arranged on circuit board 221, wherein each LED
The one polarization of light state change component 230 of correspondence of lamp 222.As another embodiment of the present invention, can only have one
Polarization of light state change component 230, the multiple LED 222 of correspondence of polarization of light state change component 230.
Alternatively, polarization of light state change component 230 includes：Linear polarization element 231, the wherein light of the outgoing of light source 220
Line is by the way that after the linear polarization element 231, its polarization state is linear polarization state.Linear polarization element 231 can be polarization spectro
One kind in prism, Brewster window, Glan prism and polaroid, but the present invention is not restricted to this.
It should be noted that the light transmission shaft of polarization of light state change component 230 is vertical with the light transmission shaft of polaroid 120.
Equivalent to 1/2nd wave plates, it is not changed liquid crystal cell 110 to the polarization state of light.
So, by being set between light source 220 and light incident sides 212 and being converted to the light of the outgoing of light source 220
The polarization of light state change component 230 of linearly polarized light, just without in liquid crystal cell 110 towards on the surface of backlight module 200
Polaroid, and the size and price of polarization of light state change component 230 are attached far below the size and price of the polaroid,
Such that it is able to save production cost.
Fig. 3 is the structural representation of liquid crystal display according to the second embodiment of the present invention.
Reference picture 3, the difference with the liquid crystal display of first embodiment is：Each polarization of light state change group
Part 230 includes linear polarization element 231 and quarter-wave plate 232, wherein linear polarization from light source 220 to the order of light incident sides 212
The light transmission shaft of element 231 is 45 ° with the angle of the optical axis of quarter-wave plate 232.
Hereinafter, the light to the outgoing of light source 220 passes sequentially through polarization of light state change component 230, light guide plate 210, liquid
After brilliant box 110 and polaroid 120, its polarization state is illustrated for the principle of linear polarization state.
Reference picture 3, the light of the outgoing of light source 220 is by the way that after the linear polarization element 231, its polarization state is linear polarization shape
State.The linearly polarized light is by the way that after quarter-wave plate 232, its polarization state is circularly polarized light.The circularly polarized light is by light guide plate
The polarization state of the circularly polarized light is changed into linear polarization shape by 210 outgoing of light extraction top surface 211 to liquid crystal cell 110, liquid crystal cell 110
State, i.e. liquid crystal cell 110 equivalent to a quarter-wave plate, by the deflection angle of the liquid crystal 113 in adjustable liquid crystal display box 110
Realize.The polarization direction of the linearly polarized light of linear polarization state and the optical axis direction one of polaroid 120 are changed into by liquid crystal cell 110
Cause, such that it is able to by the outgoing of polaroid 120.So because liquid crystal cell 110 is equivalent to a quarter-wave plate, liquid crystal cell 110
Thickness can halve, while the amount of the liquid crystal 113 in liquid crystal cell 110 can also halve.
Fig. 4 is the structural representation of liquid crystal display according to the third embodiment of the invention.
Reference picture 4, liquid crystal display according to the third embodiment of the invention includes：Liquid crystal panel 100 and backlight module
200, wherein liquid crystal panel 100 and backlight module 200 is oppositely arranged.It should be noted that liquid crystal display can also include it
The component of his suitable type, it is all if will be relative
Liquid crystal panel 100 includes：Liquid crystal cell 110, polaroid 120.Liquid crystal cell 110 is oppositely arranged with backlight module 200, partially
Mating plate 120 is attached on the surface of dorsad backlight module 200 of liquid crystal cell 110.It should be noted that in the face of liquid crystal cell 110
Polaroid is not provided with surface to backlight module 200.
Liquid crystal cell 110 include to box set color membrane substrates (CF substrates) 111 and array base palte (Array) substrate 112 with
And it is located in liquid crystal 113 therebetween.Wherein array base palte 112 provides driving voltage by liquid crystal 113, to drive liquid crystal
113 deflections, so that the light that backlight module 200 is provided passes through color membrane substrates 111, to show color image.Polaroid 120 is pasted
It is attached on the surface of array base palte 112 of color membrane substrates 111.It should be noted that liquid crystal panel 100 can also include it
The component of his suitable type.
Backlight module 200 ' includes：Diffuser plate 210 ', light source 220 ', polarization of light state change component 230.
Diffuser plate 210 ' is including light extraction top surface 211 ' and relative with light extraction top surface 211 ' enters light bottom surface 212 '.Diffuser plate
210 ' light extraction top surface 211 ' is towards array base palte 112.Light source 220 ' is set relative to light bottom surface 212 ' is entered.Polarization of light state
Change component 230 to be arranged at light source 220 ' and enter between light bottom surface 212 ', polarization of light state change component 230 is for changing light
The polarization state of the emergent ray of source 220 '.
In the present embodiment, the light of the outgoing of light source 220 ' passes sequentially through polarization of light state change component 230, diffuser plate
210 ', after liquid crystal cell 110 and polaroid 120, its polarization state is linear polarization state.
Additionally, Fig. 5 is the top view of light source according to the third embodiment of the invention.Reference picture 4 and Fig. 5, light source 220 '
Multiple LEDs 222 ' including backboard 221 ' and array arrangement on backboard 221 ', wherein each LED 222 ' correspondence one
Polarization of light state change component 230.As another embodiment of the present invention, can only have a polarization of light state to change
Become component 230, the multiple LED 222 ' of correspondence of polarization of light state change component 230.
Alternatively, polarization of light state change component 230 includes：Linear polarization element 231, the wherein light of the outgoing of light source 220 '
Line is by the way that after the linear polarization element 231, its polarization state is linear polarization state.Linear polarization element 231 can be polarization spectro
One kind in prism, Brewster window, Glan prism and polaroid, but the present invention is not restricted to this.
It should be noted that the light transmission shaft of polarization of light state change component 230 is vertical with the light transmission shaft of polaroid 120.
Equivalent to 1/2nd wave plates, it is not changed liquid crystal cell 110 to the polarization state of light.
So, set and the light of the outgoing of light source 220 ' can be changed by light source 220 ' and between entering light bottom surface 212 '
It is the polarization of light state change component 230 of linearly polarized light, just without on the surface towards backlight module 200 ' of liquid crystal cell 110
Upper attaching polaroid, and the size and price of polarization of light state change component 230 are far below the size and valency of the polaroid
Lattice, such that it is able to save production cost.
Fig. 6 is the structural representation of liquid crystal display according to the fourth embodiment of the invention.
Reference picture 6, the difference with the liquid crystal display of 3rd embodiment is：Each polarization of light state change group
Part 230 sequentially includes linear polarization element 231 and quarter-wave plate 232 from light source 220 ' to light bottom surface 212 ' is entered, and its center line is inclined
The angle of the light transmission shaft of element 231 and the optical axis of quarter-wave plate 232 of shaking is 45 °.
Hereinafter, the light of the outgoing of light source 220 ' is passed sequentially through polarization of light state change component 230, diffuser plate 210 ',
After liquid crystal cell 110 and polaroid 120, its polarization state is illustrated for the principle of linear polarization state.
Reference picture 3, the light of the outgoing of light source 220 is by the way that after the linear polarization element 231, its polarization state is linear polarization shape
State.The linearly polarized light is by the way that after quarter-wave plate 232, its polarization state is circularly polarized light.The circularly polarized light is by diffuser plate
The polarization state of the circularly polarized light is changed into linear polarization by the 210 ' outgoing of light extraction top surface 211 ' to liquid crystal cell 110, liquid crystal cell 110
State, i.e. liquid crystal cell 110 are equivalent to a quarter-wave plate, the deflection angle by the liquid crystal 113 in adjustable liquid crystal display box 110
It is capable of achieving.The polarization direction of the linearly polarized light of linear polarization state and the optical axis direction one of polaroid 120 are changed into by liquid crystal cell 110
Cause, such that it is able to by the outgoing of polaroid 120.So because liquid crystal cell 110 is equivalent to a quarter-wave plate, liquid crystal cell 110
Thickness can halve, while the amount of the liquid crystal 113 in liquid crystal cell 110 can also halve.
Although the present invention has shown and described with reference to specific embodiment, it should be appreciated by those skilled in the art that：
In the case where the spirit and scope of the present invention limited by claim and its equivalent are not departed from, can carry out herein form and
Various change in details.
Claims (10)
1. a kind of liquid crystal display, including the liquid crystal panel and backlight module being oppositely arranged, it is characterised in that the liquid crystal panel
It is made up of liquid crystal cell and the polaroid being arranged on the surface of the dorsad described backlight module of the liquid crystal cell, the backlight module
At least include：
Light guide plate, with light extraction top surface and the light incident sides positioned at the light extraction top surface side；
Light source, is set relative to the light incident sides；
Polarization of light state change component, is arranged between the light source and the light incident sides, and the polarization of light state changes
Becoming component is used to change the polarization state of the light source emergent ray；
Wherein, the light of the light source outgoing passes sequentially through the polarization of light state change component, the light guide plate, the liquid
After brilliant box and the polaroid, its polarization state is linear polarization state.
2. liquid crystal display according to claim 1, it is characterised in that the light source is LED light bar, the LED light bar
Each LED correspondence one polarization of light state change component.
3. liquid crystal display according to claim 1 and 2, it is characterised in that the polarization of light state change component bag
Linear polarization element is included, after the light of the light source outgoing is by the linear polarization element, its polarization state is linear polarization state.
4. liquid crystal display according to claim 1 and 2, it is characterised in that the polarization of light state change component from
The light source includes linear polarization element and quarter-wave plate, the polarization side of the linear polarization element to light incident sides order
It it is 45 ° to the angle with the optical axis direction of the quarter-wave plate, the light of the light source outgoing is described by passing sequentially through
After linear polarization element and the quarter-wave plate, its polarization state is circular polarization state.
5. the liquid crystal display according to claim 3 or 4, it is characterised in that the linear polarization element is polarization spectro rib
One kind in mirror, Brewster window, Glan prism and polaroid.
6. a kind of liquid crystal display, including the liquid crystal panel and backlight module being oppositely arranged, it is characterised in that the liquid crystal panel
It is made up of liquid crystal cell and the polaroid being arranged on the surface of the dorsad described backlight module of the liquid crystal cell, the backlight module
At least include：
Diffuser plate, with light extraction top surface and relative with the light extraction top surface enters light bottom surface；
Light source, relative to it is described enter light bottom surface set；
Polarization of light state change component, be arranged at the light source and it is described enter light bottom surface between, the polarization of light state changes
Becoming component is used to change the polarization state of the light source emergent ray；
Wherein, the light of the light source outgoing passes sequentially through the polarization of light state change component, the diffuser plate, the liquid
After brilliant box and the polaroid, its polarization state is linear polarization state.
7. liquid crystal display according to claim 6, it is characterised in that the light source includes multiple LED of array arrangement
Lamp, each LED one polarization of light state change component of correspondence.
8. the liquid crystal display according to claim 6 or 7, it is characterised in that the polarization of light state change component bag
Linear polarization element is included, after the light of the light source outgoing is by the linear polarization element, its polarization state is linear polarization state.
9. the liquid crystal display according to claim 6 or 7, it is characterised in that the polarization of light state change component from
The light source enters light bottom surface order described in includes linear polarization element and quarter-wave plate, the polarization side of the linear polarization element
It it is 45 ° to the angle with the optical axis direction of the quarter-wave plate, the light of the light source outgoing is described by passing sequentially through
After linear polarization element and the quarter-wave plate, its polarization state is circular polarization state.
10. liquid crystal display according to claim 8 or claim 9, it is characterised in that the linear polarization element is polarization spectro rib
One kind in mirror, Brewster window, Glan prism and polaroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219596.XA CN106773299A (en) | 2016-12-26 | 2016-12-26 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219596.XA CN106773299A (en) | 2016-12-26 | 2016-12-26 | Liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106773299A true CN106773299A (en) | 2017-05-31 |
Family
ID=58926482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611219596.XA Pending CN106773299A (en) | 2016-12-26 | 2016-12-26 | Liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106773299A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505773A (en) * | 2017-09-26 | 2017-12-22 | 京东方科技集团股份有限公司 | Backlight module and display device |
| WO2020062884A1 (en) * | 2018-09-28 | 2020-04-02 | 京东方科技集团股份有限公司 | Display panel and display device |
| WO2021218407A1 (en) * | 2020-04-29 | 2021-11-04 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
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| CN1650197A (en) * | 2002-04-23 | 2005-08-03 | 日东电工株式会社 | Polarization member, polarized light source and image display device using the same |
| JP2013064926A (en) * | 2011-09-20 | 2013-04-11 | Dainippon Printing Co Ltd | Liquid crystal display device |
| CN203101779U (en) * | 2011-07-19 | 2013-07-31 | 精工爱普生株式会社 | Liquid crystal display device and electronic apparatus |
| CN104216162A (en) * | 2014-08-22 | 2014-12-17 | 京东方科技集团股份有限公司 | Liquid crystal display device |
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| US20030011725A1 (en) * | 2001-02-19 | 2003-01-16 | Atsuhiro Ohkawa | Optical film comprising support and polarizing layer |
| CN1650197A (en) * | 2002-04-23 | 2005-08-03 | 日东电工株式会社 | Polarization member, polarized light source and image display device using the same |
| CN203101779U (en) * | 2011-07-19 | 2013-07-31 | 精工爱普生株式会社 | Liquid crystal display device and electronic apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505773A (en) * | 2017-09-26 | 2017-12-22 | 京东方科技集团股份有限公司 | Backlight module and display device |
| WO2019062513A1 (en) * | 2017-09-26 | 2019-04-04 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN107505773B (en) * | 2017-09-26 | 2021-01-26 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US11506830B2 (en) | 2017-09-26 | 2022-11-22 | Beijing Boe Optoelectronics Technology Co., Ltd. | Backlight module and display device |
| WO2020062884A1 (en) * | 2018-09-28 | 2020-04-02 | 京东方科技集团股份有限公司 | Display panel and display device |
| US11143812B2 (en) | 2018-09-28 | 2021-10-12 | Boe Technology Group Co., Ltd. | Display panel and display device |
| WO2021218407A1 (en) * | 2020-04-29 | 2021-11-04 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| US12189239B2 (en) | 2020-04-29 | 2025-01-07 | Hefei Boe Display Technology Co., Ltd. | Backlight module and liquid crystal display apparatus |
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Application publication date: 20170531 |