CN206863417U - Backlight module and display device - Google Patents

Backlight module and display device Download PDF

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Publication number
CN206863417U
CN206863417U CN201720743601.0U CN201720743601U CN206863417U CN 206863417 U CN206863417 U CN 206863417U CN 201720743601 U CN201720743601 U CN 201720743601U CN 206863417 U CN206863417 U CN 206863417U
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CN
China
Prior art keywords
light
quantum dot
light source
guide plate
backlight module
Prior art date
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Active
Application number
CN201720743601.0U
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Chinese (zh)
Inventor
邓天应
潘俊
陈细俊
强科文
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Shenzhen TCL New Technology Co Ltd
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Shenzhen TCL New Technology Co Ltd
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Application filed by Shenzhen TCL New Technology Co Ltd filed Critical Shenzhen TCL New Technology Co Ltd
Priority to CN201720743601.0U priority Critical patent/CN206863417U/en
Priority to PCT/CN2017/110162 priority patent/WO2018233186A1/en
Application granted granted Critical
Publication of CN206863417U publication Critical patent/CN206863417U/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/61—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
    • C09K11/615—Halogenides
    • C09K11/616—Halogenides with alkali or alkaline earth metals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • 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
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/36—Micro- or nanomaterials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Abstract

The utility model discloses a kind of backlight module and display device, and backlight module includes light source, and light source is the LED light source formed by blue chip and fluorescent material；Light guide plate, light guide plate is located at the light emission side of the light source, and light guide plate is provided with quantum dot with the incidence surface that light source is oppositely arranged；Fluorescent material is red fluorescence powder and the quantum dot is green quantum dot, or, fluorescent material is green emitting phosphor and quantum dot is red quantum dot, and the light that the light that blue chip is sent excites the quantum dot on fluorescent material and light guide plate in LED light source to be sent is mixed to form white light.In technical solutions of the utility model, because the red fluorescence powder in LED light source or green emitting phosphor are one-color fluorescence powder, the light sent by blue chip can obtain excitation higher pure color light when exciting, so that the white light excitation that the light that the light that blue chip is sent excites the quantum dot on fluorescent material and light guide plate in LED light source to be sent is formed is high, the wide colour gamut image quality display effect of display panel is realized.

Description

Backlight module and display device
Technical field
Technical field of liquid crystal display is the utility model is related to, more particularly to a kind of backlight module and display device.
Background technology
With the development of society, TV turns into electric equipment essential in family, especially liquid crystal display television, Even more favored by people.Now, liquid crystal display television generally includes backlight module and liquid crystal display panel, LCD Plate is not luminous in itself, it is necessary to which backlight module provides the brightness of abundance and the light source being evenly distributed, so that display panel can be just Normal display image.And the light source provided on backlight module is white light source, traditional LCD is driven by white light source Plate carries out image and shows that wherein white light source mainly has red, green and blue primaries to mix.
At present, backlight module is that the white light that liquid crystal display panel provides has following several generation types：1st, light source uses Blue chip and YAG fluorescent powder material, the light sent by blue chip excite YAG fluorescent powder so that what YAG fluorescent powder was sent Light forms white light with blue light；2nd, the phosphor material powder that light source is mixed using blue chip with red and green, passes through blue chip The fluorescent material of the excitated red and green mixing of the light sent sends feux rouges and green glow so that feux rouges and green are formed with blue light White light.
However, in the mode of above-mentioned formation white light, YAG fluorescent powder and red and green mixing fluorescent material are inspired Light excitation it is not high, the white light purity formed is bad, can not realize that the super wide colour gamut of liquid crystal display panel is shown.
Utility model content
Main purpose of the present utility model is to propose a kind of backlight module, it is intended to solves asking for quantum dot thermal reliability difference Topic.
To achieve these goals, the utility model proposes a kind of backlight module, including：
Light source, the light source are the LED light source formed by blue chip and fluorescent material；
Light guide plate, the light guide plate is located at the light emission side of the light source, and the light guide plate is oppositely arranged with the light source Incidence surface be provided with quantum dot；
The fluorescent material is red fluorescence powder and the quantum dot is green quantum dot, or, the fluorescent material is green Fluorescent material and the quantum dot are red quantum dot, and the light that the blue chip is sent excites the fluorescent material in LED light source And the light that the quantum dot on the light guide plate is sent is mixed to form white light.
Further, the incidence surface of the light guide plate is concavely provided with several microstructures, and the quantum dot is arranged at institute State in microstructure.
Further, the microstructure is V-groove structure or conical structure.
Further, the material that the red fluorescence powder uses is fluoride.
Further, the light guide plate has the reflective surface and exiting surface being oppositely arranged, the reflective surface and the light extraction Face is vertical with the incidence surface, and site is placed with the reflective surface.
Further, the site is located on the reflective surface by printing, laser or hot pressing mode.
Further, in addition to reflector plate, the reflective surface that the reflector plate is located at the light guide plate deviate from the incidence surface Side.
Further, in addition to blooming piece, the blooming piece are located at the exiting surface side of the light guide plate.
To achieve these goals, the utility model also proposes a kind of display device, it is characterised in that the display device Including above-mentioned backlight module.
In technical solutions of the utility model, using by the LED light source that blue chip and red fluorescence powder are formed as light source, By blue chip excitated red fluorescent powder and green quantum dot, or use what is formed by blue chip and green emitting phosphor LED light source excites green emitting phosphor and red quantum dot, and then by blue light and be excited red as light source by blue chip Light and green glow form white light, and white light source is provided for display panel；And due to the red fluorescence powder or green fluorescence in LED light source Powder is one-color fluorescence powder, and it is higher to send luminous excitation when being excited, so so that the white light excitation formed Height, realize the wide colour gamut image quality display effect of display panel.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the utility model backlight module；
Fig. 2 is the structural representation of the utility model backlight module light guide plate first embodiment；
Fig. 3 is the structural representation of the utility model backlight module light guide plate second embodiment.
Drawing reference numeral explanation：
Label Title Label Title
100 Light source 200 Light guide plate
300 Quantum dot 210 Incidence surface
400 Blooming piece 211 Microstructure
500 Reflector plate 220 Reflective surface
600 Backlight module frame 230 Exiting surface
700 Radiator 800 Backboard
900 Pcb board
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize The combination of case is not present, also not within the protection domain of the requires of the utility model.
Referring to Fig. 1, Fig. 1 is the structural representation of the utility model backlight module.
The utility model proposes a kind of backlight module, including light source 100 and light guide plate 200, the light guide plate 200 is located at The light emission side of the light source 100.
The light source 100 is the LED light source formed by blue chip and fluorescent material, the light guide plate 200 and the light source 100 incidence surfaces 210 being oppositely arranged are provided with quantum dot 300.
The fluorescent material is red fluorescence powder and the quantum dot is green quantum dot, or, the fluorescent material is green Fluorescent material and the quantum dot are red quantum dot, and the light that the blue chip is sent excites the fluorescent material in LED light source And the light that the quantum dot on the light guide plate 200 is sent is mixed to form white light.
Specifically, technical solutions of the utility model can use the LED light formed by blue chip and red fluorescence powder Source, the LED light source formed by blue chip and green emitting phosphor can also be used, when using blue chip and red fluorescence powder shape Into LED light source when, light excitated red fluorescent powder and green quantum dot 300 that blue chip is sent send feux rouges and green glow, quilt The blue light that feux rouges, green glow and the blue chip inspired is sent forms white light；Likewise, when using blue chip and green During the LED light source that color fluorescent material is formed, the light that blue chip is sent excites green emitting phosphor and red quantum dot 300 to send green glow And feux rouges, the blue light that the green glow being inspired, feux rouges and blue chip are sent form white light.In the utility model, adopt White light is produced with the be excited monochromatic form of monochromatic quantum dot 300, in this way, the class of quantum dot 300 being arranged on light guide plate 200 Type and quantity are reduced, and while reducing heat generation when quantum dot is excited, are gone back and then are reduced the production cost of backlight module.
More specifically, the backlight module also includes backlight module frame 600, pcb board 900, backboard 800 and radiator 700, the backlight module frame 600 encloses a cavity with the backboard 800, and the radiator 700 is located in the cavity And the inwall of the close cavity, the pcb board 900 is located on the radiator 700, in the course of work of pcb board 900, Radiated by the radiator 700 to ensure its service life, the light source 100 be arranged on the pcb board 900 and with it is described The circuit of light source 100 electrical connection on pcb board 900, the optical component group are located at the relative position of the light emission side of light source 100. The pcb board 900 controls the light source 100 to send light, and the light that the light source 100 is sent forms white light after light guide plate 200 And launch to the direction of display panel, so that display panel being capable of normal display picture.
In technical solutions of the utility model, using by the LED light source that blue chip and red fluorescence powder are formed as light source, By blue chip excitated red fluorescent powder and green quantum dot 300, or formed using blue chip and green emitting phosphor LED light source excites green emitting phosphor and red quantum dot 300, and then by blue light and swashed as light source 100 by blue chip The feux rouges and green glow of hair form white light, and white light source 100 is provided for display panel；And due to the red fluorescence powder in LED light source Or green emitting phosphor is one-color fluorescence powder, it is higher to send luminous excitation when being excited, so so that what is formed is white Photochromic purity is high, realizes the wide colour gamut image quality display effect of display panel.
In addition, the quantum dot 300 is arranged on the incidence surface 210 of light guide plate 200, between quantum dot 300 and light source 100 Air layer radiating be present, the heat that quantum dot 300 discharges when being excited can be distributed quickly, be swashed to reduce quantum dot 300 Temperature during hair, improve the thermal reliability of quantum dot 300.
Further, with continued reference to Fig. 2 and Fig. 3, it is miniature that the incidence surface 210 of the light guide plate 200 is concavely provided with several Structure 211, the quantum dot 300 are arranged in the microstructure 211.The LED light that the blue chip and fluorescent material are formed The light that source is sent projects toward the direction of light guide plate 200, and then the microstructure 211 of the incidence surface 210 of directive light guide plate 200, and micro- Light is assembled to the quantum dot 300 injected in microstructure 211, to excite the quantum dot 300 to send in the presence of type structure 211 Feux rouges (when fluorescent material is green emitting phosphor) or green glow (when fluorescent material is red fluorescence powder).The utility model embodiment In, microstructure 211 is set on the incidence surface 210, by microstructure 211 when light is mapped to the edge of microstructure 211 Marginal refractive and be gathered in microstructure 211 with excitation quantum point 300, in this way, the microstructure 211 has optically focused work With solving the low problem of the few launching efficiency of quantum dot 300 of LED light source quantity.
Alternatively, the microstructure 211 is V-groove structure or conical structure, and the microstructure 211 is arranged to V-type Groove or circular cone, these are simple in construction, are readily produced.It is understood that the microstructure 211 can also be oblique cone, oblique V Shape groove, round platform, cylinder and the structure such as square.
Further, the quantum dot 300 is sprayed on incidence surface 210 after being mixed with glue.
Further, the material that the red fluorescence powder uses is fluoride.Specifically, the red fluorescence powder uses Material be Mn elements in fluoride (KSF) luminescent material system, in excitation state 2E to ground state Mn4+ basic state of organization of electron 4A2, excitation state：4T1 4T2 2T1 2The sub- transition of E, the red light wavelength sent when red fluorescence powder is excited are 630nm, 630nm Red-light spectrum emission process is 2E->The process of 4A2 electron transitions.
Further, the light guide plate 200 has the reflective surface 220 and exiting surface 230 being oppositely arranged, the reflective surface 220 is vertical with the incidence surface 210 with the exiting surface 230, is placed with site on the reflective surface 220 and (is not marked in figure Note).
Site is set on reflective surface 220 so that light is when being irradiated to reflective surface 220, it may occur that the random reflection of milli, Light enable by light extraction after diffusing reflection at any angle, and by the way that site is arranged into what certain proportion was arranged so that Light reaches the uniform effect of area source 100 in reflection process., can be according to the difficulty of manufacture craft in actual application And need effect of area source 100 for reaching etc., arrangement or size to the site on reflective surface 220 are adjusted, with up to Effect required for oneself, in the present embodiment, preferably at dipped beam end, density content is sparse, and distance light end density content is intensive, To reach uniform area light source 100.
In implementation, the site is located at the reflective surface 220 by way of printing, laser or hot pressing On.The main function for setting site is to make reflective surface 220 no longer smooth, in actual applications or other patterns, only The irregular reflection light of reflective surface 220 can be allowed, can by printing, spraying, the mode such as radium-shine or hot pressing realizes.
Backlight module in the utility model embodiment also includes reflector plate 500, and the reflector plate 500 is located at the leaded light The reflective surface 220 of plate 200 deviates from the side of the incidence surface 210.Reflector plate 500 is arranged on reflective surface 220, is mainly so that The effect of the reflection source 100 of reflective surface 220 is more preferable.
Further, in addition to blooming piece 400, the blooming piece 400 are located at the exiting surface of the light guide plate 200 230 sides.Namely the blooming piece 400 is between the light guide plate 200 and real panel, light that light source 100 is sent, warp Cross light guide plate 200 and on light guide plate 200 after excitation quantum point, form white light and projected from the exiting surface 230 of light guide plate 200, entered And the directive display panel after blooming piece 400, blooming piece 400 play the transmission for changing light source 100 in backlight module Angle direction, uniform image quality and the effect for lifting backlight module brightness.
Further, the material of quantum dot 300 in the utility model includes：The material of novel inorganic perovskite quantum dot 300 It is any one in the first compound that (CsPbX3, wherein X=Cl, Br, I), the IIth main group are formed with the element in the VIth main group Kind, in the second compound of element formation in group-III and the Vth main group any one, the first compound and/or second The core shell structure compound or Doped nanocrystal that a variety of claddings in compound are formed.First compound include CdSe, CdTe, MgS, MgSe, MgTe, CaS, CaSe, CaTe, SrS, SrSe, SrTe, BaS, BaSe, BaTe, ZnS, ZnSe, ZnTe and CdS, the Two compounds include GaN, GaP, GaAs, InN, InP and InAs.
The utility model embodiment also proposes a kind of display device, and the display device includes above-mentioned backlight module.Should The concrete structure of backlight module is with reference to above-described embodiment, because this backlight module employs whole technologies of above-mentioned all embodiments Scheme, therefore all beneficial effects at least caused by the technical scheme with above-described embodiment, are not repeated one by one herein.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.

Claims (9)

  1. A kind of 1. backlight module, it is characterised in that including：
    Light source, the light source are the LED light source formed by blue chip and fluorescent material；
    Light guide plate, the light guide plate is located at the light emission side of the light source, and the light guide plate enters with what the light source was oppositely arranged Smooth surface is provided with quantum dot；
    The fluorescent material is red fluorescence powder and the quantum dot is green quantum dot, or, the fluorescent material is green fluorescence Powder and the quantum dot are red quantum dot, the light that the blue chip is sent excite the fluorescent material in LED light source and The light that quantum dot on the light guide plate is sent is mixed to form white light.
  2. 2. backlight module as claimed in claim 1, it is characterised in that it is micro- that the incidence surface of the light guide plate is concavely provided with several Type structure, the quantum dot are arranged in the microstructure.
  3. 3. backlight module as claimed in claim 2, it is characterised in that the microstructure is V-groove structure or conical structure.
  4. 4. backlight module as claimed in claim 1, it is characterised in that the material that the red fluorescence powder uses is fluoride.
  5. 5. backlight module as claimed in claim 1, it is characterised in that the light guide plate has the reflective surface being oppositely arranged and gone out Smooth surface, the reflective surface is vertical with the incidence surface with the exiting surface, and site is placed with the reflective surface.
  6. 6. backlight module as claimed in claim 5, it is characterised in that the site passes through printing, laser or hot pressing side Formula is on the reflective surface.
  7. 7. backlight module as claimed in claim 5, it is characterised in that also led including reflector plate, the reflector plate positioned at described The reflective surface of tabula rasa deviates from the side of the incidence surface.
  8. 8. backlight module as claimed in claim 5, it is characterised in that be also located at institute including blooming piece, the blooming piece State the exiting surface side of light guide plate.
  9. 9. a kind of display device, it is characterised in that including the backlight module as described in claim 1-8 any one.
CN201720743601.0U 2017-06-22 2017-06-22 Backlight module and display device Active CN206863417U (en)

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CN201720743601.0U CN206863417U (en) 2017-06-22 2017-06-22 Backlight module and display device
PCT/CN2017/110162 WO2018233186A1 (en) 2017-06-22 2017-11-09 Backlight module and display device

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Application Number Priority Date Filing Date Title
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WO (1) WO2018233186A1 (en)

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CN112162435A (en) * 2020-11-13 2021-01-01 福州大学 Lateral-entering type quantum dot backlight module structure
CN112908976A (en) * 2021-03-03 2021-06-04 惠州视维新技术有限公司 Backlight framework manufacturing method and display device manufacturing method
CN113437055A (en) * 2021-06-28 2021-09-24 惠州视维新技术有限公司 LED light-emitting structure, backlight module and display device

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CN109669231A (en) * 2019-03-01 2019-04-23 京东方科技集团股份有限公司 A kind of backlight module and intelligent wearing display device
CN113744626A (en) * 2021-08-26 2021-12-03 常州亚玛顿股份有限公司 Quantum dot diffusion plate, backlight module and display device

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CN105202483A (en) * 2014-06-20 2015-12-30 业鑫科技顾问股份有限公司 Backlight module and display device
CN204345536U (en) * 2014-12-26 2015-05-20 翰博高新材料(合肥)股份有限公司 A kind of quanta point material light guide plate of side entrance back module
JP6693058B2 (en) * 2015-07-02 2020-05-13 大日本印刷株式会社 Direct type backlight and liquid crystal display device
CN205958891U (en) * 2016-07-08 2017-02-15 苏州星烁纳米科技有限公司 Backlight module and display device
CN106125398A (en) * 2016-07-25 2016-11-16 广东普加福光电科技有限公司 A kind of novel quantum dot liquid crystal backlight

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112162435A (en) * 2020-11-13 2021-01-01 福州大学 Lateral-entering type quantum dot backlight module structure
CN112908976A (en) * 2021-03-03 2021-06-04 惠州视维新技术有限公司 Backlight framework manufacturing method and display device manufacturing method
CN113437055A (en) * 2021-06-28 2021-09-24 惠州视维新技术有限公司 LED light-emitting structure, backlight module and display device
CN113437055B (en) * 2021-06-28 2022-07-29 惠州视维新技术有限公司 LED light-emitting structure, backlight module and display device

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