CN105911754A - Backlight source and display device - Google Patents
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- CN105911754A CN105911754A CN201610294926.5A CN201610294926A CN105911754A CN 105911754 A CN105911754 A CN 105911754A CN 201610294926 A CN201610294926 A CN 201610294926A CN 105911754 A CN105911754 A CN 105911754A
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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
- G02F1/133602—Direct backlight
Abstract
The invention relates to a backlight source and a display device. The backlight source comprises a substrate, and multiple sets of quantum lines arranged on one side of the substrate. Each set of quantum lines comprises at least one first quantum line used for emitting first color light, at least one second quantum line used for emitting second color light, and at least one third quantum line used for emitting third color light. The first color light, the second color light and the third color light are white light after being blended. According to the technical scheme, as the thickness of the quantum lines is of the nanoscale, and the thickness of the formed backlight can be reduced greatly. Each quantum line can serve as a discrete light source, each discrete light source is extremely small in light emitting frequency limit width, the monochromaticity is extremely good, and therefore the light-exiting gamut of the backlight source can be enlarged greatly.
Description
Technical field
The present invention relates to Display Technique field, in particular to a kind of backlight and a kind of display device.
Background technology
In prior art, the backlight of liquid crystal display is mainly side entering type, and its structure mainly includes light guide plate and is arranged on the lamp bar of light guide plate side.Wherein, light guide plate typically utilizes the acrylic/PC sheet material of optical grade to make, and acryl plates bottom surface UV (ultraviolet light) screen printing technology in optical grade stamps light guiding points.Although the comparison that light guide plate can do is frivolous, but still possessing the thickness of 1-10 millimeter due to it, the development the most lightening to display device causes restriction.
Summary of the invention
The technical problem to be solved is to provide the backlight of a kind of low thickness.
For this purpose it is proposed, the present invention proposes a kind of backlight, including:
Substrate；
Organizing quantum wire more, be arranged on the side of described substrate, often group quantum wire includes:
At least one first quantum wire, is used for sending the first color of light；
At least one second quantum wire, is used for sending the second color of light；
At least one the 3rd quantum wire, is used for sending the 3rd color of light；
It is white light after described first color of light, the second color of light and the mixing of the 3rd color of light.
Preferably, described first quantum wire is arranged in the first groove, and described second quantum wire is arranged in the second groove, and described 3rd quantum wire is arranged in the 3rd groove.
Preferably, the quantity of described first quantum wire, the quantity ... of described second quantum wire, described n-th quantum wire quantity equal.
Preferably, often organizing in quantum wire, the first groove, the second groove and the 3rd groove arrange according to preset order.
Preferably, the width of described first groove be 2nm, the width of described second groove be 5nm, the width of described 3rd groove be 8nm.
Preferably, above-mentioned backlight also includes:
First electrode, is arranged on the opposite side of described substrate；
First cushion, is arranged between described substrate and described quantum wire；
Second cushion, is arranged on described first cushion side away from described quantum wire；
Second electrode, is arranged on described second cushion side away from described quantum wire.
Preferably, above-mentioned backlight also includes:
Doped layer, is arranged between described second cushion and described second electrode.
Preferably, described second electrode includes:
The first electrode wires arranged in the first direction；
A plurality of the second electrode wires arranged in a second direction and be connected to described first electrode wires.
Preferably, above-mentioned backlight also includes:
Reflecting layer, is arranged on the sidewall of described backlight.
The invention allows for a kind of display device, including above-mentioned backlight and the display floater being arranged on described backlight light emission side.
Preferably, described display floater includes:
First polaroid, is arranged on the light emission side of described backlight；
Array base palte, is arranged on described first polaroid side away from described backlight；
Liquid crystal layer, is arranged on the described array base palte side away from described first polaroid；
Dichroic layer, is arranged on the described liquid crystal layer side away from described array base palte；
At the bottom of protection group, it is arranged on the described dichroic layer side away from described liquid crystal layer；
Second polaroid, is arranged on the side away from described dichroic layer at the bottom of described protection group.
Preferably, described display floater includes:
Dichroic layer, is arranged on the light emission side of described backlight；
Liquid crystal layer, is arranged on the described dichroic layer side away from described backlight；
Array base palte, is arranged on the described liquid crystal layer side away from described dichroic layer；
3rd polaroid, is arranged on the described array base palte side away from described liquid crystal layer,
Wherein, being provided with bulge-structure often organizing between quantum wire, multiple bulge-structures are formed from polarization grating.
Preferably, the height of each described bulge-structure is 100nm to 150nm.
Preferably, the width often organizing quantum wire is 40nm to 60nm, and often the distance between group quantum wire is 80nm to 120nm.
Preferably, described dichroic layer is color blocking layer or diffraction dichroic layer.
Preferably, when described dichroic layer is diffraction dichroic layer, described display device also includes:
Light collimation layer, is arranged between described backlight and described display floater.
By technique scheme, owing to the thickness of quantum wire is nanoscale, the thickness forming backlight therefore can be greatly reduced.And each quantum wire can be as a discrete light sources, and each discrete light sources glow frequency limit for width is the narrowest, and monochromaticity is fabulous, and backlight therefore can be greatly improved goes out light colour gamut.
Accompanying drawing explanation
By being more clearly understood from the features and advantages of the present invention with reference to accompanying drawing, accompanying drawing is schematic and should not be construed as the present invention is carried out any restriction, in the accompanying drawings:
Fig. 1 shows the schematic diagram of backlight according to an embodiment of the invention；
Fig. 2 shows the concrete schematic diagram of backlight according to an embodiment of the invention；
Fig. 3 shows the schematic diagram of substrate according to an embodiment of the invention and groove；
Fig. 4 shows the schematic diagram of groove in accordance with another embodiment of the present invention；
Fig. 5 shows the schematic diagram of the groove according to another embodiment of the present invention；
Fig. 6 shows the schematic diagram of display device according to an embodiment of the invention；
Fig. 7 shows the schematic diagram of the display device according to another embodiment of the present invention；
Fig. 8 shows according to an embodiment of the invention from the partial schematic diagram of polarization grating；
Fig. 9 shows the schematic diagram of the Gradient Refractive Index Materials operation principle according to an embodiment of the invention；
Drawing reference numeral illustrates:
1-substrate；2-quantum wire；3-the first electrode；4-the first cushion；5-the second cushion；6-the second electrode；7-doped layer；8-groove；9-bulge-structure；21-the first polaroid；22-array base palte；23-liquid crystal layer；24-dichroic layer；At the bottom of 25-protection group；26-the second polaroid；27-the 3rd polaroid；28-light collimation layer.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, with detailed description of the invention, the present invention is further described in detail below in conjunction with the accompanying drawings.It should be noted that in the case of not conflicting, the feature in embodiments herein and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention; but; the present invention can implement to use other to be different from other modes described here, and therefore, protection scope of the present invention is not limited by following public specific embodiment.
As depicted in figs. 1 and 2, backlight according to an embodiment of the invention, including:
Substrate 1；
Many group quantum wires 2, are arranged on the side of substrate 1, and often group quantum wire 2 includes:
At least one first quantum wire, is used for sending the first color of light；
At least one second quantum wire, is used for sending the second color of light；
At least one the 3rd quantum wire, is used for sending the 3rd color of light；
It is white light after first color of light, the second color of light and the mixing of the 3rd color of light.
In the present embodiment, due to the thickness of quantum wire be nanoscale (such as 2nm to 5nm) therefore can greatly reduce formed backlight thickness.And each quantum wire can be as a discrete light sources, and each discrete light sources glow frequency live width is the narrowest, and monochromaticity is fabulous, and backlight therefore can be greatly improved goes out light colour gamut.
And in the case of using diffraction dichroic layer to carry out color separation in the display floater coordinated with it, owing to quantum wire luminescence monochromaticity is fabulous, can greatly alleviate the problems such as the colour cast existing for diffraction color separation, colour contamination, improve display effect.
In the present embodiment, the first color can be red, the second color can be green, the 3rd color can be blueness.It should be noted that except the situation being sent three kinds of color of light by the quantum wire of three types respectively, the present embodiment can also send white light, to be mixed to get white light respectively by the quantum wire of other destination type.Such as when there is two kinds of quantum wire, then the first color is that yellow, the second color are for blue；Such as when there is the quantum wire of four types, then the first color is red, the second color for green, the 3rd color for blue, the 4th color is white.
Preferably, the first quantum wire is arranged in the first groove, and the second quantum wire is arranged in the second groove, and the 3rd quantum wire is arranged in the 3rd groove.
As it is shown on figure 3, by groove 8, such as V-shaped groove, form quantum wire, the narrowest potential well less than 10nm can be formed.
The technique forming quantum wire in V-shaped groove may include that
By anisotropic etching technology, first substrate (such as semiconductor crystal) surface etches many group cross sections is the groove of V-arrangement.Due under certain growth conditions, different crystal faces have different growth rates, therefore area epitaxy quantum wire can be selected, such as groove both sides have bigger growth rate, quantum wire then can be formed in side, if there is bigger growth rate at channel bottom, then can form crescent quantum wire.
Preparation amount sub-line in V-shaped groove the most as required, can obtain mesa-shaped or ridged quantum wire.Such as can form quantum wire by GaAs/AlGaAs, by directly obtaining quantum wire structure at V-shaped groove substrate Epitaxial growth.In order to prevent light loss, the most not sound field contact layer and electrode.
Preferably, the quantity of the quantity of the first quantum wire, the quantity of the second quantum wire and the 3rd quantum wire is equal.
According to the present embodiment, owing to the quantity of quantity, the quantity of the second groove and the 3rd groove of the first groove is equal, namely first the quantity of quantity, the quantity of the second quantum wire and the 3rd quantum wire of quantum wire equal, therefore can ensure that every kind of quantum wire goes out the brightness of light equal, and then ensure that the overall light that goes out of backlight does not exist colour cast.
Preferably, often organizing in quantum wire, the first groove, the second groove and the 3rd groove arrange according to preset order.
According to this embodiment, it can ensure that the light that in each region of backlight does not exist colour cast.
As shown in Figure 4, it is preferable that the width of the first groove is 2nm, the width of the second groove is 5nm, the width of the 3rd groove is 8nm.
According to the present embodiment, the first groove can send blue light, the second groove can send green glow, the 3rd groove can send HONGGUANG.Certainly, this is a kind of preferred implementation of the present invention, can essentially be arranged as required to the width of each groove, as long as quantum wire emergent ray can synthesize white light in three grooves, sends cyan, magenta, sodium yellow the most respectively.
Except the width of groove can be adjusted, it is also possible to adjust the shape of groove, such as by the groove of shape shown in Fig. 5, so that the light direction variation of quantum wire in groove.Can also by encapsulating material local modify quantum wire surface, with the light direction of adjustment amount sub-line, encapsulating material can use high temperature resistant, be difficult to yellow, and the preferable epoxide resin material of water oxygen barrier performance.
As shown in Figures 2 and 3, it is preferable that above-mentioned backlight also includes:
First electrode 3, is arranged on the opposite side of substrate 1；
First cushion 4, is arranged between substrate 1 and quantum wire 2；
Second cushion 5, is arranged on first cushion 4 side away from quantum wire 2；
Second electrode 6, is arranged on second cushion side away from quantum wire.
In the present embodiment, the first electrode and the second electrode can pass to contrary voltage respectively, can form electric field between the first electrode and the second electrode, and quantum wire is luminous under the effect of electric field.
Preferably, the first electrode is reflectorized material, and the second electrode is transparent material.
According to the present embodiment, light alignment the second electrode reflection that quantum wire can be sent by the first electrode towards the first electrode, so that backlight is overall to a light-emitting directions.
As shown in Figures 2 and 3, it is preferable that above-mentioned backlight also includes:
Doped layer 7, is arranged between the second cushion and the second electrode.
Owing to the second electrode is transparent conductive material, and the second cushion is semi-conducting material, if being directly arranged on the second cushion by the second electrode, the electric conductivity of the second electrode can be affected.In the present embodiment, doped layer can be the semiconductor layer doped with conducting particles, to ensure that the second electrode can realize conductive characteristic well.
As shown in Figures 2 and 3, it is preferable that the second electrode 6 includes:
The first electrode wires 61 arranged in the first direction；
A plurality of the second electrode wires 62 arranged in a second direction and be connected to the first electrode wires 61.
Although the second electrode is transparent conductive material, but it goes out light for backlight and still suffers from necessarily affecting.Can be comb shape according to the second electrode that the present embodiment is arranged, thus reduce the area of the second electrode being positioned at quantum wire light direction, and then reduction the second electrode goes out the impact of light to backlight.
First direction can angled with second direction (be greater than 0 ° and less than or equal to 90 °), be preferably normal to second direction.Such as first direction can be parallel to the direction of quantum wire length, and second direction can be parallel to the direction of quantum wire width.
Preferably, above-mentioned backlight also includes:
Reflecting layer, is arranged on the sidewall of backlight, and reflectance is more than or equal to 95%.
Due to quantum wire exist multidirectional go out light, by the present embodiment, quantum wire can be reflected towards the light of backlight sidewall direction outgoing by reflecting layer, so improve backlight light extraction efficiency.
The invention allows for a kind of display device, including above-mentioned backlight and the display floater being arranged on backlight light emission side.
It should be noted that the display device in the present embodiment can be: any product with display function or parts such as Electronic Paper, mobile phone, panel computer, television set, notebook computer, DPF, navigators.
As shown in Figure 6, it is preferable that display floater includes:
First polaroid 21, is arranged on the light emission side of backlight；
Array base palte 22, is arranged on first polaroid 21 side away from backlight；
Liquid crystal layer 23, is arranged on the array base palte 22 side away from the first polaroid 21；
Dichroic layer 24, is arranged on the liquid crystal layer 23 side away from array base palte 22；
At the bottom of protection group 25, it is arranged on the dichroic layer 24 side away from liquid crystal layer 23；
Second polaroid 26, is arranged at the bottom of protection group 25 away from the side of dichroic layer 24.
In the present embodiment, outside backlight can being arranged on display floater.
As shown in Figure 7, it is preferable that display floater includes:
Dichroic layer 24, is arranged on the light emission side of backlight；
Liquid crystal layer 23, is arranged on the dichroic layer 24 side away from backlight；
Array base palte 22, is arranged on the liquid crystal layer 23 side away from dichroic layer 23；
3rd polaroid 27, is arranged on the array base palte 22 side away from liquid crystal layer 23,
Wherein, being provided with bulge-structure 9 often organizing between quantum wire 2, multiple bulge-structures 9 are formed from polarization grating.
In the present embodiment, backlight can be arranged among display floater, and by from polarization grating, it is ensured that the light injecting dichroic layer is polarized light, and then decreases the setting of one layer of polaroid, simplifies processing technology and structure.
It should be noted that the substrate in array base can be as at the bottom of protection group in the present embodiment.
As shown in Figure 8, it is preferable that the height of each bulge-structure 9 is 100nm to 150nm.
The grating that bulge-structure in this altitude range is formed can ensure that quantum wire goes out light and is polarized, and bulge-structure can be the metal materials such as aluminum, and manufacturability is preferable.
Can also coat flatness layer on grating, in order to other structures are set further thereon.
Preferably, the width often organizing quantum wire is 40nm to 60nm, and often the distance between group quantum wire is 80nm to 120nm.
As shown in Figure 8, groove 8 it is provided with between bulge-structure, the simply one signal of the degree of depth of the protruding height shown in Fig. 8 and groove, actually protruding height and the ratio of the degree of depth of groove can be hundreds to thousands, the space of certain distance was set before quantum wire, it is simple to arrange bulge-structure.
Preferably, often organize the width of quantum wire be the distance between 50nm, often group quantum wire be 100nm.
Preferably, dichroic layer 24 is color blocking layer or diffraction dichroic layer.
Preferably, when dichroic layer 24 is diffraction dichroic layer, display device also includes:
Light collimation layer 28, is arranged between backlight and display floater.
Due to the color separation effect substantially colour filter of color blocking layer, such as red color resistance sector-meeting filters the blue light in white light and green glow, and the light that reality is passed through is only the 1/3 of white light.
And the color separation effect substantially diffraction of diffraction dichroic layer, therefore can ensure that the light almost all passed through is obtained by, it is ensured that the utilization rate of light.
To ensure that it is about collimated ray owing to injecting the light of diffraction dichroic layer, this effect can be realized by light collimation layer, wherein, light collimation layer includes multi-layer transparent dielectric layer, such as shown in Fig. 9, transparent dielectric layer by substrate to the direction of diffraction dichroic layer, refractive index is successively decreased, namely n0 > n1 > n2 > ... > nx, x is more than 2, after light collimation layer, major part light can be close to vertical incidence dichroic layer, and change light path by multilayer dielectricity layer, relative to only using two media layer to change light path, (two media materials variances is bigger, faying face is unstable), so that light path is according to predetermined Long-term change trend.
Technical scheme is described in detail, it is contemplated that backlight thickness of the prior art is relatively big, is an impediment to the lightening of display device above in association with accompanying drawing.By the technical scheme of above-described embodiment, owing to the thickness of quantum wire is nanoscale, the thickness forming backlight therefore can be greatly reduced.And each quantum wire can be as a discrete light sources, and each discrete light sources glow frequency limit for width is the narrowest, and monochromaticity is fabulous, and backlight therefore can be greatly improved goes out light colour gamut.
It is pointed out that in the accompanying drawings, for the size that clearly may be exaggerated layer and region illustrated.Further, it is to be understood that when element or layer be referred to as another element or layer " on " time, directly on other elements, or can there is the layer of centre in it.Additionally, it is appreciated that when element or layer are referred to as at another element or layer D score, directly under other elements, or can there is layer or the element of more than one centre in it.In addition, it is to be appreciated that when layer or element be referred to as two-layer or two elements " between " time, it can be layer only between two-layer or two elements, maybe can also there is more than one intermediate layer or element.The element that the most similar reference marker instruction is similar.
In the present invention, term " first ", " second " ..., " n-th " are only used for describing purpose, and it is not intended that indicate or hint relative importance.Term " multiple " refers to two or more, unless otherwise clear and definite restriction.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (13)
1. a backlight, it is characterised in that including:
Substrate；
Organizing quantum wire more, be arranged on the side of described substrate, often group quantum wire includes:
At least one first quantum wire, is used for sending the first color of light；
At least one second quantum wire, is used for sending the second color of light；
At least one the 3rd quantum wire, is used for sending the 3rd color of light；
It is white light after described first color of light, the second color of light and the mixing of the 3rd color of light.
Backlight the most according to claim 1, it is characterised in that described first quantum
Line is arranged in the first groove, and described second quantum wire is arranged in the second groove, and the described 3rd
Quantum wire is arranged in the 3rd groove.
Backlight the most according to claim 2, it is characterised in that described first quantum
The quantity of the quantity of line, the quantity of described second quantum wire and described 3rd quantum wire is equal.
Backlight the most according to claim 3, it is characterised in that often organizing quantum wire
In, the first groove, the second groove and the 3rd groove arrange according to preset order.
5. according to the backlight according to any one of claim 2 to 4, it is characterised in that
The width of described first groove is 2nm, the width of described second groove is 5nm, the described 3rd
The width of groove is 8nm.
Backlight the most according to any one of claim 1 to 4, it is characterised in that
Also include:
First electrode, is arranged on the opposite side of described substrate；
First cushion, is arranged between described substrate and described quantum wire；
Second cushion, is arranged on described first cushion side away from described quantum wire；
Second electrode, is arranged on described second cushion side away from described quantum wire.
Backlight the most according to claim 6, it is characterised in that also include:
Doped layer, is arranged between described second cushion and described second electrode.
8. a display device, it is characterised in that include any one of claim 1 to 7
Described backlight and the display floater being arranged on described backlight light emission side.
Display device the most according to claim 8, it is characterised in that described display surface
Plate includes:
First polaroid, is arranged on the light emission side of described backlight；
Array base palte, is arranged on described first polaroid side away from described backlight；
Liquid crystal layer, is arranged on the described array base palte side away from described first polaroid；
Dichroic layer, is arranged on the described liquid crystal layer side away from described array base palte；
At the bottom of protection group, it is arranged on the described dichroic layer side away from described liquid crystal layer；
Second polaroid, is arranged on the side away from described dichroic layer at the bottom of described protection group.
Display device the most according to claim 8, it is characterised in that described display surface
Plate includes:
Dichroic layer, is arranged on the light emission side of described backlight；
Liquid crystal layer, is arranged on the described dichroic layer side away from described backlight；
Array base palte, is arranged on the described liquid crystal layer side away from described dichroic layer；
3rd polaroid, is arranged on the described array base palte side away from described liquid crystal layer,
Wherein, being provided with bulge-structure often organizing between quantum wire, multiple bulge-structures are formed certainly
Polarization grating.
11. display devices according to claim 10, it is characterised in that each described
The height of bulge-structure is 100nm to 150nm.
12. display devices according to claim 10, it is characterised in that often organize quantum
The width of line is 40nm to 60nm, and often the distance between group quantum wire is 80nm to 120nm.
13. according to the display device according to any one of claim 11 to 12, and its feature exists
In, when described dichroic layer is diffraction dichroic layer, described display device also includes:
Light collimation layer, is arranged between described backlight and described display floater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294926.5A CN105911754A (en) | 2016-05-05 | 2016-05-05 | Backlight source and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294926.5A CN105911754A (en) | 2016-05-05 | 2016-05-05 | Backlight source and display device |
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| CN105911754A true CN105911754A (en) | 2016-08-31 |
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| CN201610294926.5A Pending CN105911754A (en) | 2016-05-05 | 2016-05-05 | Backlight source and display device |
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| CN (1) | CN105911754A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882287A (en) * | 2021-01-15 | 2021-06-01 | 北海惠科光电技术有限公司 | Backlight module and display device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1021722A (en) * | 1996-07-01 | 1998-01-23 | Canon Inc | Lighting system |
| CN102116443A (en) * | 2010-01-06 | 2011-07-06 | Lg伊诺特有限公司 | Backlight unit and display device using the same |
| CN103090277A (en) * | 2013-01-30 | 2013-05-08 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN103091850A (en) * | 2011-11-07 | 2013-05-08 | 财团法人工业技术研究院 | Naked-eye multi-dimensional display assembly and display thereof |
| CN103365021A (en) * | 2012-04-03 | 2013-10-23 | 元太科技工业股份有限公司 | Electrophoretic display device capable of switching between color mode and black-and-white mode |
| US20140124731A1 (en) * | 2012-11-02 | 2014-05-08 | Hwan Hee Jeong | Light emitting device |
| US20150187987A1 (en) * | 2013-12-27 | 2015-07-02 | Samsung Display Co., Ltd. | Method of manufacturing a quantum dot optical component and backlight unit having the quantum dot optical component |
| TW201606393A (en) * | 2014-06-30 | 2016-02-16 | 富士軟片股份有限公司 | Liquid crystal display |
| CN105425469A (en) * | 2016-01-04 | 2016-03-23 | 京东方科技集团股份有限公司 | Backlight module and manufacturing method and display device thereof |
| CN205608348U (en) * | 2016-05-05 | 2016-09-28 | 京东方科技集团股份有限公司 | Backlight source and display device |
-
2016
- 2016-05-05 CN CN201610294926.5A patent/CN105911754A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1021722A (en) * | 1996-07-01 | 1998-01-23 | Canon Inc | Lighting system |
| CN102116443A (en) * | 2010-01-06 | 2011-07-06 | Lg伊诺特有限公司 | Backlight unit and display device using the same |
| CN103091850A (en) * | 2011-11-07 | 2013-05-08 | 财团法人工业技术研究院 | Naked-eye multi-dimensional display assembly and display thereof |
| CN103365021A (en) * | 2012-04-03 | 2013-10-23 | 元太科技工业股份有限公司 | Electrophoretic display device capable of switching between color mode and black-and-white mode |
| US20140124731A1 (en) * | 2012-11-02 | 2014-05-08 | Hwan Hee Jeong | Light emitting device |
| CN103090277A (en) * | 2013-01-30 | 2013-05-08 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US20150187987A1 (en) * | 2013-12-27 | 2015-07-02 | Samsung Display Co., Ltd. | Method of manufacturing a quantum dot optical component and backlight unit having the quantum dot optical component |
| TW201606393A (en) * | 2014-06-30 | 2016-02-16 | 富士軟片股份有限公司 | Liquid crystal display |
| CN105425469A (en) * | 2016-01-04 | 2016-03-23 | 京东方科技集团股份有限公司 | Backlight module and manufacturing method and display device thereof |
| CN205608348U (en) * | 2016-05-05 | 2016-09-28 | 京东方科技集团股份有限公司 | Backlight source and display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882287A (en) * | 2021-01-15 | 2021-06-01 | 北海惠科光电技术有限公司 | Backlight module and display device |
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