CN205809483U - A kind of quantum dot liquid crystal display of ventilation and heat - Google Patents
A kind of quantum dot liquid crystal display of ventilation and heat Download PDFInfo
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- CN205809483U CN205809483U CN201620317911.1U CN201620317911U CN205809483U CN 205809483 U CN205809483 U CN 205809483U CN 201620317911 U CN201620317911 U CN 201620317911U CN 205809483 U CN205809483 U CN 205809483U
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Abstract
This utility model relates to technical field of liquid crystal display, it is specifically related to the quantum dot liquid crystal display of a kind of ventilation and heat, described light-source structure is by solid heat radiation aluminum hull (1), PCB (2) and blue-ray LED (3) are constituted, described solid heat radiation aluminum hull (1) is strip flute profile, described blue-ray LED (3) is arranged on the trough-shaped base section of solid heat radiation aluminum hull by PCB (2), the notch of solid heat radiation aluminum hull (1) is provided with transparent glass (12), quantum dot film (4) it is equipped with on the light entry portal of described light guide plate (5), quantum dot film is distributed the feature such as quantum dot and yellow fluorescent powder in (4).This utility model improves color gamut wideness, can reach 110%；It addition, quantum dot film is arranged on reflecting plate in this utility model, it is divided into two parts with light-source structure, can effectively be optically isolated the heat that source structure is dissipated, reduce quantum dot further unstable because of variations in temperature.
Description
Technical field
This utility model relates to technical field of liquid crystal display, and the quantum dot liquid crystal display being specifically related to a kind of ventilation and heat sets
Standby.
Background technology
Quantum dot (quantum dot) is the nano material of quasi-zero dimension (quasi-zero-dimensional), by a small quantity
Atom constituted.Roughly, all in 100 nanometers (nm) below, outward appearance is minimum just like one for the size of three dimensions of quantum dot
Pointing object, the motion in all directions of its internal electron is all limited to, so quantum confined effect (quantum
Confinement effect) particularly significant.
The colour gamut of LCD TV depends on the spectral characteristic of backlight and spectrum and liquid crystal panel colored filter (CF)
Matching degree.As long as back light white light, white light can be obtained by any color wanted through optical filter again, if white color
The LCD TV colour gamut that the enough height in territory then draw also can be high.Industry commonly used NTSC standard weighs color displays effect at present
Really, color domain coverage ratio (abbreviation colour gamut) is the highest, and the color gamut that TV is presented is the abundantest, closer to Natural color.
Traditional WLED TV uses the light-emitting mode of " blue-ray LED+yellow fluorescent powder " (to be sent by blue-ray LED mostly
Light excite yellow fluorescent powder to produce gold-tinted, remaining blue light and gold-tinted colour mixture and obtain white light, for RGB three primary colours, its
Excitation is very poor), though people can be allowed to feel white light, but lack HONGGUANG and green glow makes colour mixture the most difficult, be to cause colour gamut
The reason that coverage rate is on the low side and backlight conversion efficiency is the highest.General color domain coverage ratio (abbreviation colour gamut) is less than 72%, the most mostly
Number liquid crystal display (TV or mobile phone) all uses this light-emitting mode.
In prior art, use the technology main flow of quantum dot light emitting, be mainly that the light utilizing blue-ray LED to send excites two
Plant quantum dot (red light quantum point and green light quantum point) material, send HONGGUANG and green glow respectively, and become with remaining blue light colour mixture
For white light, this white light is just as the back light of LCD TV.This white light colour gamut out can reach 110%, quantum dot
Colour gamut and the efficiency of liquid crystal display are higher, so its picture color is more natural beautiful, and take into account energy-conserving and environment-protective.
But the cost of quantum dot is the highest at present, and quantum dot can be because the environmental factorss such as temperature height exist certain unstable
Qualitative, the shortcoming of poor stability, the performance most notably current equipment such as electronic equipment especially mobile phone, in use may
There is certain hot environment, the illuminating source of such quantum dot then extremely unstable.
Utility model content
The purpose of this utility model is to provide the quantum dot liquid crystal display of a kind of ventilation and heat, solves existing
Liquid crystal display light-emitting mode uses the light-emitting mode of " blue-ray LED+yellow fluorescent powder ", and colour gamut is the widest, and uses quantum dot to send out
Light, again easily by using environment to be affected, the especially impact of temperature, cause flashing fixed, and all use quantum dot
The problem that cost is the highest.
For solving above-mentioned technical problem, this utility model by the following technical solutions:
A kind of quantum dot liquid crystal display of ventilation and heat,
Described light-source structure is made up of solid heat radiation aluminum hull, PCB and blue-ray LED, and described solid heat radiation aluminum hull is
Strip flute profile, described blue-ray LED is arranged on the trough-shaped base section of solid heat radiation aluminum hull by PCB, solid heat radiation aluminum hull
Notch is provided with transparent glass；
Described display device is made up of light guide plate, blooming piece and reflecting plate, and described blooming piece and reflecting plate are arranged on
The opposite sides of light guide plate, the light entry portal of described light guide plate is equipped with quantum dot film, quantum is distributed in quantum dot film
Point and yellow fluorescent powder；
The blue light that described blue-ray LED sends is penetrated and is obtained mixed white light at quantum dot film, and mixed white light is from the side of light guide plate
Enter light guide plate, and import realization imaging on blooming piece at light；
Described quantum dot film be respectively provided on two sides with cold air air inlet and cool air outlet, described cold air air inlet is provided with
Dust filter, be provided with temperature sensor at described cool air outlet, described temperature sensor and connecting with cold air air inlet
Draught fan control circuit is connected.
Further, the aluminum minute surface that cell wall is plane in described solid heat radiation aluminum hull, blue-ray LED is sent out by described aluminum minute surface
The blue light gone out reflects to same direction.
Further, described quantum dot film is made up of red light quantum point, green light quantum point and yellow fluorescent powder, described blue light
The blue light that LED is sent out respectively enters five passages, and having three passages in described five passages is to lead to red light quantum point, green respectively
Light quanta point and yellow fluorescent powder, two other passage is blue light straight channel, HONGGUANG that red light quantum point sends, green light quantum point
The blue light of the part green glow sent and a blue light straight channel becomes the first mixed white light and enters the first white light passage, another
Blue light and second mixed white light obtained after the second mixing gold-tinted mixing of yellow fluorescent powder of individual blue light straight channel enter
Second mixed white light of the second white light passage, the first mixed white light of the first white light passage and the second white light passage is converged mutually and is obtained surely
Determine white-light spectrum.
Compared with prior art, the beneficial effects of the utility model are: relatively conventional WLED illuminating source carries greatly
High color gamut wideness, can reach 110%, and compensate for quantum dot light source and there are the factors of instability；Solve simple use
The unstability of quantum dot output white light causes the shortcoming that its color stability is poor, relatively costly；And list blue light source adds glimmering
Light powder synthesis white light source, the problems such as white light colour developing territory is on the low side, and the high cost problem of full quantum dot finishing；It addition, this reality
It is arranged on reflecting plate with novel middle quantum dot film, is divided into two parts with light-source structure, and by cold air air inlet to quantum
Point film carries out cold air cooling, detects air temperature by temperature sensor in real time at cool air outlet, and temperature is too high, adds strong wind
Acc power, temperature is too low, reduces power of fan, can effectively be optically isolated the heat that source structure is dissipated, reduce further quantum dot because of
Variations in temperature and unstable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the quantum dot liquid crystal display of a kind of ventilation and heat of this utility model.
Fig. 2 is the generalized section of A-A in Fig. 1.
Fig. 3 is the quantum dot film light change signal of the quantum dot liquid crystal display of a kind of ventilation and heat of this utility model
Figure.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Figures 1 and 2 show that an embodiment of the quantum dot liquid crystal display of a kind of ventilation and heat of this utility model:
The quantum dot liquid crystal display of a kind of ventilation and heat, described light-source structure is by solid heat radiation aluminum hull 1, PCB 2 and blue light
LED3 is constituted, and described solid heat radiation aluminum hull 1 is strip flute profile, and described blue-ray LED 3 is arranged on solid heat radiation by PCB 2
The trough-shaped base section of aluminum hull 1, the notch of solid heat radiation aluminum hull 1 is provided with transparent glass 12；Described display device is by light guide plate 5, optics
Diaphragm 6 and reflecting plate 7 are constituted, and described blooming piece 6 and reflecting plate 7 are arranged on the opposite sides of light guide plate 5, described light guide plate 5
Light entry portal on be equipped with quantum dot film 4, quantum dot and yellow fluorescent powder are distributed in quantum dot film 4；
The blue light that described blue-ray LED 3 sends is penetrated and is obtained mixed white light at quantum dot film 4, and mixed white light is from the side of light guide plate 5
Face enters light guide plate 5, and imports realization imaging on blooming piece 6 at light；The cold air that is respectively provided on two sides with of described quantum dot film 4 enters
Air port 13 and cool air outlet 14, described cold air air inlet 13 is provided with dust filter, is provided with at described cool air outlet 14
Temperature sensor, described temperature sensor and the draught fan control circuit with cold air air inlet 13 connection are connected.Reflecting plate 7 is arranged
It is in order on the light back that will penetrate from light guide plate 5 bottom surface to light guide plate.
Another embodiment of quantum dot liquid crystal display according to a kind of ventilation and heat of this utility model, described solid
The aluminum minute surface 11 that cell wall is plane in heat radiation aluminum hull 1, the blue light that blue-ray LED 3 is sent by described aluminum minute surface 11 is to same side
To refraction.
Fig. 3 shows another embodiment of the quantum dot liquid crystal display of a kind of ventilation and heat of this utility model, institute
State quantum dot film 4 to be made up of red light quantum point 8, green light quantum point 9 and yellow fluorescent powder 10, the blue light that described blue-ray LED 3 is sent out
Respectively enteing five passages, having three passages in described five passages is to lead to red light quantum point 8, green light quantum point 9 and respectively
Yellow fluorescent powder 10, two other passage is blue light straight channel, and HONGGUANG R, green light quantum point 9 that red light quantum point 8 sends send
Part green glow G and the blue light B of a blue light straight channel be mixed into the first mixed white light W1 and enter the first white light passage, another
The blue light B of individual blue light straight channel and the second mixed white light obtained after the second mixing gold-tinted Y2 mixing of yellow fluorescent powder 10
W2 enters the second white light passage, the first mixed white light W1 of the first white light passage and the second mixed white light W2 of the second white light passage
Converge mutually and obtain stable white light spectrum W.
This utility model is described by multiple explanatory embodiment the most of the present utility model, but,
It should be understood that those skilled in the art can be designed that a lot of other amendments and embodiment, these amendment and embodiments
To fall within spirit disclosed in the present application and spirit.More specifically, in disclosure, drawings and claims
In the range of, the building block of theme composite configuration and/or layout can be carried out multiple modification and improvement.Except to building block
And/or the deformation that carries out of layout and outside improving, to those skilled in the art, other purposes also will be apparent from.
Claims (1)
1. a quantum dot liquid crystal display for ventilation and heat, including light-source structure and display device, it is characterised in that: described
Light-source structure is made up of solid heat radiation aluminum hull (1), PCB (2) and blue-ray LED (3), and described solid heat radiation aluminum hull (1) is
Strip flute profile, described blue-ray LED (3) is arranged on the trough-shaped base section of solid heat radiation aluminum hull (1) by PCB (2), solid scattered
The notch of hot aluminum hull (1) is provided with transparent glass (12)；
Described display device is made up of light guide plate (5), blooming piece (6) and reflecting plate (7), described blooming piece (6) and reflection
Plate (7) is arranged on the opposite sides of light guide plate (5), and the light entry portal of described light guide plate (5) is equipped with quantum dot film (4),
Quantum dot film is distributed quantum dot and yellow fluorescent powder in (4)；
The blue light that described blue-ray LED (3) sends is penetrated and is obtained mixed white light at quantum dot film (4), and mixed white light is from light guide plate (5)
Side enters light guide plate (5), and realizes imaging on light importing blooming piece (6)；
Described quantum dot film (4) be respectively provided on two sides with cold air air inlet (13) and cool air outlet (14), described cold air air intake
Mouthful (13) are provided with dust filter, and described cool air outlet (14) place is provided with temperature sensor, described temperature sensor and with
The draught fan control circuit that cold air air inlet (13) connects is connected；
Aluminum minute surface (11) that cell wall is plane in described solid heat radiation aluminum hull (1), described aluminum minute surface (11) is by blue-ray LED (3)
The blue light sent reflects to same direction；
Described quantum dot film (4) is made up of red light quantum point (8), green light quantum point (9) and yellow fluorescent powder (10), described blue light
LED(3) blue light sent out respectively enters five passages, and having three passages in described five passages is to lead to red light quantum point respectively
(8), green light quantum point (9) and yellow fluorescent powder (10), two other passage is blue light straight channel, and red light quantum point (8) sends
The blue light (B) of HONGGUANG (R), part green glow (G) that green light quantum point (9) sends and a blue light straight channel be mixed into first
Mixed white light (W1) enters the first white light passage, the blue light (B) of another blue light straight channel and through yellow fluorescent powder (10)
After second mixing gold-tinted (Y2) mixing, the second mixed white light (W2) of obtaining enters the second white light passage, the of the first white light passage
One mixed white light (W1) is converged mutually with second mixed white light (W2) of the second white light passage and is obtained stable white light spectrum (W).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620317911.1U CN205809483U (en) | 2016-04-15 | 2016-04-15 | A kind of quantum dot liquid crystal display of ventilation and heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620317911.1U CN205809483U (en) | 2016-04-15 | 2016-04-15 | A kind of quantum dot liquid crystal display of ventilation and heat |
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| Publication Number | Publication Date |
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| CN205809483U true CN205809483U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620317911.1U Expired - Fee Related CN205809483U (en) | 2016-04-15 | 2016-04-15 | A kind of quantum dot liquid crystal display of ventilation and heat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343275A (en) * | 2018-11-28 | 2019-02-15 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN111381395A (en) * | 2020-01-21 | 2020-07-07 | 奥提赞光晶(山东)显示科技有限公司 | Electric control continuous zoom lens, preparation method and exposure system |
| CN114019717A (en) * | 2021-09-18 | 2022-02-08 | 信阳市谷麦光电子科技有限公司 | High-efficiency stable quantum dot light-emitting LED |
-
2016
- 2016-04-15 CN CN201620317911.1U patent/CN205809483U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343275A (en) * | 2018-11-28 | 2019-02-15 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN111381395A (en) * | 2020-01-21 | 2020-07-07 | 奥提赞光晶(山东)显示科技有限公司 | Electric control continuous zoom lens, preparation method and exposure system |
| CN111381395B (en) * | 2020-01-21 | 2023-11-28 | 奥提赞光晶(山东)显示科技有限公司 | Electric control continuous zoom lens, preparation method and exposure system |
| CN114019717A (en) * | 2021-09-18 | 2022-02-08 | 信阳市谷麦光电子科技有限公司 | High-efficiency stable quantum dot light-emitting LED |
| CN114019717B (en) * | 2021-09-18 | 2023-10-24 | 信阳市谷麦光电子科技有限公司 | High-efficient stable quantum dot luminous LED |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190530 Address after: 528437 No. 70 Zhongshan Harbour Avenue, Torch Development Zone, Zhongshan City, Guangdong Province Patentee after: Zhongshan Mingguang Intelligent Technology Co.,Ltd. Address before: 518000 Room 201, building A, 1 front Bay Road, Shenzhen Qianhai cooperation zone, Shenzhen, Guangdong Patentee before: SHENZHEN HUAXIANG CENTURY TECHNOLOGY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 |