CN206863414U - Quantum dot backlight module - Google Patents
Quantum dot backlight module Download PDFInfo
- Publication number
- CN206863414U CN206863414U CN201720703999.5U CN201720703999U CN206863414U CN 206863414 U CN206863414 U CN 206863414U CN 201720703999 U CN201720703999 U CN 201720703999U CN 206863414 U CN206863414 U CN 206863414U
- Authority
- CN
- China
- Prior art keywords
- quantum dot
- circuit board
- printed circuit
- pcb
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002096 quantum dot Substances 0.000 title claims abstract description 52
- 238000009792 diffusion process Methods 0.000 claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 17
- 230000003796 beauty Effects 0.000 claims description 13
- 230000005284 excitation Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 239000004973 liquid crystal related substance 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
-
- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
A quantum dot backlight module comprises a diffusion sheet and a light source group opposite to one surface of the diffusion sheet, wherein the light source group comprises a printed circuit board, a plurality of light emitting diodes which are operably arranged on the printed circuit board through a bracket, and a plurality of optical lenses which are arranged on the printed circuit board and cover the corresponding light emitting diodes, the backlight module further comprises: and a quantum dot film attached to the outer surface of the optical lens such that light emitted from the light emitting diode excites quantum dot material in the quantum dot film.
Description
Technical field
A kind of quantum dot backlight module.
Background technology
Light source part of the LED liquid crystal television in backlight module on the market is all to add yellow with the LED of blueness at present
Fluorescent material reach the output of white light.The practice so is red wide too big with the ripple of green on spectrogram and causes in colour gamut
On can not be matched in excellence or beauty with OLED LCD TVs.
Utility model content
A kind of quantum dot backlight module, comprising a diffusion sheet and a light source group relative with a surface of the diffusion sheet, its
In, the light source group include a printed circuit board (PCB), it is multiple be operationally installed on via support on the printed circuit board (PCB) luminous two
Pole pipe and multiple optical lenses for being arranged on light emitting diode on the printed circuit board (PCB) and corresponding to covering, the backlight module is also
Comprising：One quantum dot film, the quantum dot film are attached on the outer surface of the optical lens, so that from light-emitting diodes
Quanta point material in the light excitation quantum point film that pipe is sent.
Brief description of the drawings
Fig. 1 and 2 is to show the schematic diagram of first embodiment of the present utility model；
Fig. 3 is to show the schematic diagram of second embodiment of the present utility model；
Fig. 4 is to show the schematic diagram of 3rd embodiment of the present utility model；
Fig. 5 is to show the schematic diagram of fourth embodiment of the present utility model；
Fig. 6 is to show the schematic diagram of the 5th embodiment of the present utility model；
Fig. 7 is to show the schematic diagram of sixth embodiment of the present utility model；And
Fig. 8 is to show the schematic diagram of the 7th embodiment of the present utility model.
Embodiment
Fig. 1 and 2 is to show the schematic diagram of first embodiment of the present utility model, and schematically shows the utility model
Quantum dot backlight module in light guide sheet (diffusion sheet) 10, light source group 20, quantum dot film 30 and reflective film 31.This reality
The quantum dot backlight module for applying example is for side light type back light module.Except light guide sheet 10, light source group 20, quantum dot film 30 and anti-
Penetrate outside film 31, seem the spare part being included in existing side light type back light module as other blooming pieces due to not being
The feature of the application and with the feature of the application without direct relation, it is for simplicity, shown in the drawings and its is detailed
Illustrate to repeat no more in the description.
The light source group 20 includes a printed circuit board (PCB) 200, multiple is operationally installed on the printed circuit via support 203
The light emitting diode 201 that is electrically connected on plate 200 and with the circuit trace 204 on the printed circuit board (PCB) 200 and multiple it is arranged on
The optical lens 202 of light emitting diode 201 on the printed circuit board (PCB) 200 and corresponding to covering.In the present embodiment, the light source group
20 are provided in the side of the light guide sheet 10.
The quantum dot film 30 be for doped with red with the light transmission film of green quanta point material and be to be attached to this
On the side relative with the light source group 20 of light guide sheet 10.Then, the reflective film 31 is attached on the quantum dot film 30
So that when the light source group 20 is emitted beam by start, light reaches the quantum dot film 30 and booster dose via light guide sheet 10
Quanta point material in son point film 30 reflects via reflective film 31 again.The practice so can obtain red on spectrogram
It is wide with the narrow ripple of green and to match in excellence or beauty with OLED LCD TVs in colour gamut.
Fig. 3 is to show the schematic diagram of second embodiment of the present utility model.Unlike first embodiment, in this reality
Apply in example, in being all pasted with a quantum dot film 30 and a reflective film 31 on every side of light guide sheet 10.
Fig. 4 is to show the schematic diagram of 3rd embodiment of the present utility model.The quantum dot backlight module of the present embodiment is
For direct type backlight module.In Fig. 4, in the light source group 20 faced with a surface of a diffusion sheet 70 one of them luminous two
Pole pipe 201 and optical lens 202 are to be displayed magnified.It is different from the first and second embodiments, in the present embodiment, a quantum dot
Film 40 is attached on the outer surface of the optical lens 202, therefore, the light booster dose sent from light emitting diode 201
Quanta point material in son point film 40.The practice so can be obtained red wide with the narrow ripple of green on spectrogram and caused
It can be matched in excellence or beauty in colour gamut with OLED LCD TVs.
Fig. 5 is to show the schematic diagram of fourth embodiment of the present utility model.The quantum dot backlight module of the present embodiment is
For direct type backlight module.In Figure 5, in the light source group 20 faced with a surface of a diffusion sheet 70 one of them luminous two
Pole pipe 201 and optical lens 202 are to be displayed magnified.It is different from 3rd embodiment, in the present embodiment, a quantum dot film 50
It is to be attached on the inner surface of the optical lens 202, therefore, the light excitation quantum point sent from light emitting diode 201 is thin
Quanta point material in film 50.The practice so can be obtained red wide with the narrow ripple of green on spectrogram and caused in colour gamut
On can be matched in excellence or beauty with OLED LCD TVs.
Fig. 6 is to show the schematic diagram of the 5th embodiment of the present utility model.The quantum dot backlight module of the present embodiment is
For direct type backlight module.In Figure 5, in the light source group 20 faced with a surface of a diffusion sheet 70 one of them luminous two
Pole pipe 201 and optical lens 202 are to be displayed magnified.It is different from the third and fourth embodiment, in the present embodiment, a quantum dot
Film 60 is attached on the light-emitting area of the light emitting diode 201, and therefore, the light sent from light emitting diode 201 excites
Quanta point material in quantum dot film 60.The practice so can be obtained red wide with the narrow ripple of green on spectrogram and made
Obtaining can match in excellence or beauty in colour gamut with OLED LCD TVs.
Fig. 7 is to show the schematic diagram of sixth embodiment of the present utility model.The quantum dot backlight module of the present embodiment is
For direct type backlight module.In the figure 7, one of light emitting diode 201 in light source group 20 and optical lens 202 are to be put
Big display.Different from the 3rd to the 5th embodiment, in the present embodiment, the surface 71 towards light source group 20 of a diffusion sheet 70 has
There are multiple pits for being pasted with a quantum dot film 710 on the surface, therefore, the light sent from light emitting diode 201 excites
Quanta point material in quantum dot film 710.Practice so can obtain it is red wide with the narrow ripple of green on spectrogram and
So that it can be matched in excellence or beauty in colour gamut with OLED LCD TVs.
Fig. 8 is to show the schematic diagram of the 7th embodiment of the present utility model.The quantum dot backlight module of the present embodiment is
For direct type backlight module.In fig. 8, one of light emitting diode 201 in light source group 20 and optical lens 202 are to be put
Big display.It is different to sixth embodiment from the 3rd, in the present embodiment, a diffusion sheet 70 with towards the surface 71 of light source group 20
Relative surface 72 has multiple pits for being pasted with a quantum dot film 720 on the surface, therefore, from light emitting diode 201
Quanta point material in the light excitation quantum point film 720 sent.Practice so can obtain on spectrogram it is red with
The narrow ripple of green is wide and to match in excellence or beauty with OLED LCD TVs in colour gamut.
Claims (7)
- A kind of 1. quantum dot backlight module, it is characterised in that the light source group of the light guide sheet side is placed in comprising a light guide sheet and one, The quantum dot backlight module also includes：One quantum dot film, the quantum dot film be for doped with red with the light transmission film of green quanta point material and be patch It is attached on the side relative with the light source group of the light guide sheet；AndOne reflective film, the reflective film are attached on the quantum dot film so that being emitted beam when the light source group is activated When, light reaches the quanta point material in the quantum dot film and excitation quantum point film via light guide sheet and obtained on spectrogram Red is wide with green narrow ripple and to match in excellence or beauty with OLED LCD TVs in colour gamut.
- 2. quantum dot backlight module as claimed in claim 1, it is characterised in that be also respectively attached to the light guide sheet comprising three The quantum dot film on corresponding one in the other three side, and three be respectively attached to it is anti-on quantum dot film corresponding to one Penetrate film.
- 3. a kind of quantum dot backlight module, it is characterised in that relative with a surface of the diffusion sheet comprising a diffusion sheet and one Light source group, wherein, the light source group includes a printed circuit board (PCB), multiple is operationally installed on the printed circuit board (PCB) via support And with the printed circuit board (PCB) circuit trace electrical connection light emitting diode and it is multiple be arranged on the printed circuit board (PCB) and The optical lens of light emitting diode corresponding to covering, the backlight module also include：One quantum dot film, the quantum dot film are attached on the outer surface of the optical lens, so that from light-emitting diodes Quanta point material in the light excitation quantum point film that pipe is sent, thereby obtain red wide with the narrow ripple of green on spectrogram And to match in excellence or beauty with OLED LCD TVs in colour gamut.
- 4. a kind of quantum dot backlight module, it is characterised in that relative with a surface of the diffusion sheet comprising a diffusion sheet and one Light source group, wherein, the light source group includes a printed circuit board (PCB), multiple is operationally installed on the printed circuit board (PCB) via support And with the printed circuit board (PCB) circuit trace electrical connection light emitting diode and it is multiple be arranged on the printed circuit board (PCB) and The optical lens of light emitting diode corresponding to covering, the backlight module also include：One quantum dot film, the quantum dot film are attached on the inner surface of the optical lens, so that from light-emitting diodes Quanta point material in the light excitation quantum point film that pipe is sent, thereby obtain red wide with the narrow ripple of green on spectrogram And to match in excellence or beauty with OLED LCD TVs in colour gamut.
- 5. a kind of quantum dot backlight module, it is characterised in that relative with a surface of the diffusion sheet comprising a diffusion sheet and one Light source group, wherein, the light source group includes a printed circuit board (PCB), multiple is operationally installed on the printed circuit board (PCB) via support And with the printed circuit board (PCB) circuit trace electrical connection light emitting diode and it is multiple be arranged on the printed circuit board (PCB) and The optical lens of light emitting diode corresponding to covering, the backlight module also include：One quantum dot film, the quantum dot film are attached on the light-emitting area of the light emitting diode, so that from luminous two Quanta point material in the light excitation quantum point film that pole pipe is sent, the practice so obtain red on spectrogram and green Narrow ripple it is wide and cause can be matched in excellence or beauty in colour gamut with OLED LCD TVs.
- A kind of 6. quantum dot backlight module, it is characterised in that comprising a diffusion sheet and one towards a surface of the diffusion sheet light Source group, wherein, the light source group include a printed circuit board (PCB), it is multiple be operationally installed on via support on the printed circuit board (PCB) and With the light emitting diode of the circuit trace electrical connection on the printed circuit board (PCB) and multiple being arranged on the printed circuit board (PCB) and covering The optical lens of light emitting diode corresponding to lid, and the surface relative with the light source group of the diffusion sheet has multiple pits, should Backlight module is also comprising the quantum dot film corresponding to multiple be attached on the surface of a pit, so that being sent out from light emitting diode Quanta point material in the light excitation quantum point film gone out, thereby obtain red wide with the narrow ripple of green on spectrogram and make Obtaining can match in excellence or beauty in colour gamut with OLED LCD TVs.
- A kind of 7. quantum dot backlight module, it is characterised in that comprising a diffusion sheet and one towards a surface of the diffusion sheet light Source group, wherein, the light source group include a printed circuit board (PCB), it is multiple be operationally installed on via support on the printed circuit board (PCB) and With the light emitting diode of the circuit trace electrical connection on the printed circuit board (PCB) and multiple being arranged on the printed circuit board (PCB) and covering The optical lens of light emitting diode corresponding to lid, and the diffusion sheet with have towards the relative surface in the surface of light source group it is multiple Pit, the backlight module is also comprising the quantum dot films corresponding to multiple be attached on the surface of a pit, so that from luminous Quanta point material in the light excitation quantum point film that diode is sent, thereby obtain red narrow with green on spectrogram Ripple is wide and to match in excellence or beauty with OLED LCD TVs in colour gamut.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106114568A TW201839431A (en) | 2017-04-28 | 2017-04-28 | Quantum dot backlight module comprising a diffusion sheet and a light source group opposite to a surface of the diffusion sheet |
| TW106114568 | 2017-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863414U true CN206863414U (en) | 2018-01-09 |
Family
ID=60826159
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459290.XA Pending CN108803133A (en) | 2017-04-28 | 2017-06-16 | Quantum dot backlight module |
| CN201720703999.5U Expired - Fee Related CN206863414U (en) | 2017-04-28 | 2017-06-16 | Quantum dot backlight module |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459290.XA Pending CN108803133A (en) | 2017-04-28 | 2017-06-16 | Quantum dot backlight module |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN108803133A (en) |
| TW (1) | TW201839431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803133A (en) * | 2017-04-28 | 2018-11-13 | 陆普科技股份有限公司 | Quantum dot backlight module |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571242A (en) * | 2009-05-27 | 2009-11-04 | 中国计量学院 | White LED light-emitting device with blue chip doped with quantum dots and YAG fluorescent powder |
| JP6119490B2 (en) * | 2013-07-31 | 2017-04-26 | ソニー株式会社 | Light source device and display device |
| CN103542326A (en) * | 2013-09-30 | 2014-01-29 | 易美芯光（北京）科技有限公司 | Optical device capable of realizing high-color-gamut backlight |
| TW201516537A (en) * | 2013-10-29 | 2015-05-01 | 友達光電股份有限公司 | Back light module and display panel using the same |
| JP6401994B2 (en) * | 2014-10-08 | 2018-10-10 | エルジー ディスプレイ カンパニー リミテッド | Liquid crystal display |
| CN204268262U (en) * | 2014-12-26 | 2015-04-15 | 深圳帝光电子有限公司 | Direct LED backlight |
| JP2017027902A (en) * | 2015-07-28 | 2017-02-02 | 株式会社ジャパンディスプレイ | Display and light source device |
| CN205746059U (en) * | 2016-01-22 | 2016-11-30 | 苏州璨宇光学有限公司 | Light source module and backlight module |
| CN105842774B (en) * | 2016-04-22 | 2019-05-17 | 福建船政交通职业学院 | A kind of complex optical film and its backlight module with light modulation, collimation and polarization-maintaining |
| CN106450011B (en) * | 2016-09-21 | 2023-06-02 | 复旦大学 | Preparation method of high-apparent-index white light quantum dot LED based on visible light secondary excitation |
| TW201839431A (en) * | 2017-04-28 | 2018-11-01 | 陸普科技股份有限公司 | Quantum dot backlight module comprising a diffusion sheet and a light source group opposite to a surface of the diffusion sheet |
-
2017
- 2017-04-28 TW TW106114568A patent/TW201839431A/en unknown
- 2017-06-16 CN CN201710459290.XA patent/CN108803133A/en active Pending
- 2017-06-16 CN CN201720703999.5U patent/CN206863414U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803133A (en) * | 2017-04-28 | 2018-11-13 | 陆普科技股份有限公司 | Quantum dot backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201839431A (en) | 2018-11-01 |
| CN108803133A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI451169B (en) | Back light module and display device using the same | |
| CN207799291U (en) | A kind of high colour gamut illuminating module | |
| US20070215890A1 (en) | White LED for backlight with phosphor plates | |
| US20070170449A1 (en) | Color sensor integrated light emitting diode for LED backlight | |
| KR20170074947A (en) | Quantum dot backlight module and display device | |
| US20150103291A1 (en) | Backlight module and liquid crystal display | |
| CN101770094A (en) | Liquid crystal display device | |
| CN203940315U (en) | A kind of backlight module and display unit thereof that adopts quantum dot | |
| US20140002770A1 (en) | Method for manufacturing fluorescent powder substrate and liquid crystal module using fluorescent powder substrate | |
| US20160282667A1 (en) | Color liquid crystal display module structure and backlight module thereof | |
| US20170004782A1 (en) | Liquid crystal display device | |
| CN102810288B (en) | Backlight assembly and the display device including this backlight assembly | |
| US20180299609A1 (en) | Method for manufacturing backlight module | |
| CN104360539B (en) | A kind of backlight module and liquid crystal display device | |
| US20210333459A1 (en) | Light guide plate, backlight module and display device | |
| CN104913245A (en) | High gamut backlight module and display device | |
| CN102759049A (en) | Backlight and liquid crystal display device using the same | |
| US20140146518A1 (en) | Backlight module incorporating light-diffusion and light-conversion plate | |
| US9835784B2 (en) | Illuminating device comprising quantum dot tube, backlight module, and LCD | |
| CN206863414U (en) | Quantum dot backlight module | |
| JP2016225423A (en) | Fluorescent screen for led, manufacturing method of fluorescent screen for led, led surface light emitting device, and image forming apparatus | |
| CN103511921A (en) | Backlight module and display device thereof | |
| KR20080029351A (en) | The apparatus of led blu and that of manufacture method | |
| US10437100B2 (en) | Light emitting unit and backlight having the same | |
| KR20190025305A (en) | LED Light emitting unit and LED display device using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20190616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |