CN209167752U - Backlight and display device - Google Patents
Backlight and display device Download PDFInfo
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- CN209167752U CN209167752U CN201822038234.1U CN201822038234U CN209167752U CN 209167752 U CN209167752 U CN 209167752U CN 201822038234 U CN201822038234 U CN 201822038234U CN 209167752 U CN209167752 U CN 209167752U
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- backlight
- emitting device
- light emitting
- quantum dot
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Abstract
The utility model is suitable for field of display technology, provides a kind of backlight and display device.The backlight of the utility model includes the diffuser plate of reflector plate, side set on the light emitting device of the side of reflector plate, set on light emitting device far from reflector plate, and the quantum dot film of the side set on diffuser plate far from light emitting device, light emitting device includes that substrate and interval are set to the multiple lamp beads on substrate and being used for blue light-emitting, substrate, which corresponds to, is provided with yellow paint layer around each lamp bead, the blue light that quantum dot film can not be handled completely is converted to white light in advance, to effectively mitigate or neutralize high-intensitive blue light, and then alleviate or solve Bluepoint or blue light circle phenomenon.
Description
Technical field
The utility model belongs to field of display technology, in particular to backlight and display device.
Background technique
All display class products such as mobile phone, plate, display, TV, people are to the most direct experience sense of product by being exactly
Its display effect.In recent years, technology of quantum dots was more mature, and quantum dot in the market shows that product is also more and more abundant.Amount
Sub- point technology biggest advantage is embodied in its display effect almost and can match in excellence or beauty OLED (Organic Light-Emitting
Diode, Organic Light Emitting Diode), meanwhile, relatively low cost and more reliable use reliability.
In the existing product using blue light lamp bead booster dose point film, blue light lamp bead present position is due to luminous intensity
High, quantum dot film alignment processing is mixed light that more lamp beads issue, can not handle the high intensity of blue light lamp bead sending
Blue light, so that lamp bead can be made to embody Bluepoint or blue light circle phenomenon, pole in the display effect of backlight or display device
The display effect of product and the visual experience of user are affected in big degree.
Summary of the invention
The purpose of this utility model is to provide backlights, it is intended to solve the Bluepoint or indigo plant of the backlight using blue light lamp bead
The technical issues of aperture phenomenon.
The utility model is realized in this way providing a kind of backlight, comprising:
Reflector plate；
Light emitting device, set on the side of the reflector plate, the light emitting device includes that substrate and interval are set to the base
Multiple lamp beads on plate and for blue light-emitting, the substrate correspond to and are provided with yellow paint layer around each lamp bead；
Diffuser plate, the side set on the light emitting device far from the reflector plate；And
Quantum dot film, the side set on the diffuser plate far from the light emitting device.
In one embodiment, using multiple lamp beads as the center of circle, multiple annular regions, institute are extended to form around respectively
Yellow paint layer is stated coated in multiple annular regions.
Optionally, the yellow paint thickness degree is evenly provided in multiple annular regions.
Optionally, in each annular region, using the corresponding lamp bead as the center of circle, the thickness of the yellow paint layer
Radial direction along the lamp bead is gradually reduced.
In one embodiment, the light emitting device further includes multiple lens, and the lens cap is set to the yellow paint
Layer is external.
In one embodiment, the yellow paint layer includes yellow fluorescent powder and transparent colloid, the yellow fluorescent powder
It is uniformly mixed in the transparent colloid.
In one embodiment, the substrate is aluminum substrate.
In one embodiment, backlight further includes being set to optical film of the quantum dot film far from the diffuser plate side
Piece group.
In one embodiment, the quantum dot film includes red quantum dot and green quantum dot.
The another object of the utility model, which also resides in, provides a kind of display device, including backlight as described above.
Backlight provided by the utility model, including reflector plate, set on the side of reflector plate light emitting device, be set to shine
The diffuser plate of side of the device far from reflector plate, and the quantum dot film of the side set on diffuser plate far from light emitting device shine
Device includes that substrate and interval are set to the multiple lamp beads on substrate and being used for blue light-emitting, and substrate corresponds to be set around each lamp bead
Be equipped with yellow paint layer, the blue light that quantum dot film can not be handled completely be converted to white light in advance, thus effectively mitigate or in
With high-intensitive blue light, and then alleviate or solve Bluepoint or blue light circle phenomenon.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of backlight provided by the embodiment of the utility model；
Fig. 2 is the overlooking structure diagram of light emitting device provided by the embodiment of the utility model；
Fig. 3 is the enlarged structure schematic diagram of the region A of Fig. 2.
Meaning marked in the figure are as follows: 10- reflector plate, 20- light emitting device, 21- substrate, 211- annular region, 212- yellow
Dope layer, 22- lamp bead, 23- lens, 30- diffuser plate, 40- quantum dot film, 50- optical diaphragm group.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can directly or
It connects on another component.When a component is known as " being connected to " another component, it be can be directly or indirectly
It is connected on another component.The orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.Term " first ",
" second " is used merely to facilitate description purpose, is not understood to indicate or imply relative importance or implicitly indicates technical characteristic
Quantity.The meaning of " plurality " is two or more, unless otherwise specifically defined.
In order to illustrate technical solution described in the utility model, carried out specifically below in conjunction with specific accompanying drawings and embodiments
It is bright.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of backlight, comprising:
Reflector plate 10；
Light emitting device 20, set on the side of reflector plate 10, light emitting device 20 includes that substrate 21 and interval are set to substrate 21
Multiple lamp beads 22 that are upper and being used for blue light-emitting, substrate 21 correspond to and are provided with yellow paint layer 212 around each lamp bead 22；
Diffuser plate 30, the side set on light emitting device 20 far from reflector plate 10；And
Quantum dot film 40, the side set on diffuser plate 30 far from light emitting device 20.
The backlight of the utility model include reflector plate 10, set on the side of reflector plate 10 light emitting device 20, be set to hair
The diffuser plate 30 of side of the electro-optical device 20 far from reflector plate 10, and the amount of the side set on diffuser plate 30 far from light emitting device 20
Son point film 40, light emitting device 20 include that substrate 21 and interval are set to the multiple lamp beads 22 on substrate 21 and being used for blue light-emitting, base
It is provided with yellow paint layer 212 around the corresponding each lamp bead 22 of plate 21, the blue light that quantum dot film 40 can not be handled completely is mentioned
Before be converted to white light, to effectively mitigate or neutralize high-intensitive blue light, and then alleviate or solve Bluepoint or blue light circle phenomenon.
Optionally, lamp bead 22 can be LED (Light Emitting Diode, light emitting diode) lamp bead 22, Huo Zheqi
The light source that it can shine shines as long as being able to achieve, and the utility model is herein with no restrictions.
Optionally, substrate 21 can not limit herein for aluminum substrate 21 or the substrate 21 of other classifications, the utility model
System.
Optionally, as shown in Fig. 2, multiple lamp beads 22 in a strip shape can also be distributed in array distribution on the base plate (21
On the base plate (21, application according to the actual situation also can choose other arrangement modes.
In one embodiment, as shown in Fig. 2, being the center of circle with multiple lamp beads 22, multiple rings are extended to form around respectively
Shape region 211, yellow paint layer 212 are coated in multiple annular regions 211, multiple lamp beads 22 and multiple annular regions 211 1
One is corresponding, and some blue light that 212 pairs of yellow paint layer corresponding lamp beads 22 of each annular region 211 are launched turns
It changes, when a part of blue light illumination is when yellow paint layer 212, can produce yellow light, yellow light and blue light form white light, energy
Effectively mitigate or neutralize high-intensitive blue light, and then alleviates or solve Bluepoint or blue light circle phenomenon.
In one embodiment, in order to be better achieved uniformly go out light, light emitting device 20 further include be located at respectively it is multiple
Multiple lens 23 in annular region 211 and multiple lamp beads 22, lens 23 cover corresponding yellow paint layer 212, namely every
One lens 23 is located at the outside of corresponding yellow paint layer 212.It should be noted that Fig. 2 is the utility model embodiment
The overlooking structure diagram of the light emitting device of offer, in order to preferably show annular region 211, which is omitted lens 23.
Optionally, in conjunction with Fig. 2 and Fig. 3, yellow paint layer 212 can be evenly provided on multiple annular regions 211 with thickness
On, to guarantee equably to solve the Bluepoint or blue light circle phenomenon of the surrounding of multiple lamp beads 22；Certainly, in each annular region 211
The thickness of yellow paint layer 212 be also possible in the distribution of a certain changing rule, for example, in each annular region 211, with right
The lamp bead 22 answered is the center of circle, and the thickness of yellow paint layer 212 is gradually reduced along the radial direction of lamp bead 22, due to closer to lamp bead 22
Region Bluepoint or blue light circle phenomenon are more serious, are distributed by above-mentioned rule, can targetedly alleviate or solve Bluepoint or blue light
Enclose phenomenon.In addition, the thickness of the yellow paint layer 212 in each annular region 211 can also be with unordered or other rule distributions, this
Embodiment is herein without limiting.
In one embodiment, yellow paint layer 212 includes yellow fluorescent powder and transparent colloid, and yellow fluorescent powder is by indigo plant
The excitation of light, to launch a small amount of yellow light, a small amount of yellow light forms white light in conjunction with some blue light, thus effectively mitigate or in
With high-intensitive blue light, and then alleviate or solve Bluepoint or blue light circle phenomenon.Optionally, yellow fluorescent powder is uniformly mixed in transparent
In colloid.
In one embodiment, in order to which that realizes backlight uniformly goes out light, backlight further includes that be set to quantum dot film 40 remote
Optical diaphragm group 50 from 30 side of diffuser plate, optical diaphragm group 50 can successively include expanding towards the direction far from quantum dot film 40
Discrete piece, lower prismatic lens and upper prismatic lens etc..
In one embodiment, quantum dot film 40 includes red quantum dot and green quantum dot, red quantum dot and green
The excitation for the blue light that quantum dot is issued by multiple lamp beads 22, launches feux rouges and green light respectively, and feux rouges, green light and blue light are mixed
It is white light backlight that conjunction, which forms white light namely the backlight of the utility model,.
Based on the same inventive concept, the utility model also provides a kind of display device, including backlight as described above.
The foregoing is merely the alternative embodiments of the utility model, are not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of backlight characterized by comprising
Reflector plate；
Light emitting device, set on the side of the reflector plate, the light emitting device includes that substrate and interval are set on the substrate
And multiple lamp beads of blue light-emitting are used for, the substrate corresponds to and is provided with yellow paint layer around each lamp bead；
Diffuser plate, the side set on the light emitting device far from the reflector plate；And
Quantum dot film, the side set on the diffuser plate far from the light emitting device.
2. backlight as described in claim 1, which is characterized in that using multiple lamp beads as the center of circle, extend around respectively
Multiple annular regions are formed, the yellow paint layer is coated in multiple annular regions.
3. backlight as claimed in claim 2, which is characterized in that the yellow paint thickness degree is evenly provided on multiple rings
On shape region.
4. backlight as claimed in claim 2, which is characterized in that in each annular region, with the corresponding lamp bead
Thickness for the center of circle, the yellow paint layer is gradually reduced along the radial direction of the lamp bead.
5. backlight as claimed in claim 2, which is characterized in that the light emitting device further includes multiple lens, the lens
It covers at outside the yellow paint layer.
6. such as backlight described in any one of claim 1 to 5, which is characterized in that the yellow paint layer includes yellow fluorescence
Powder and transparent colloid, the yellow fluorescent powder are uniformly mixed in the transparent colloid.
7. such as backlight described in any one of claim 1 to 5, which is characterized in that the substrate is aluminum substrate.
8. such as backlight described in any one of claim 1 to 5, which is characterized in that further include separate set on the quantum dot film
The optical diaphragm group of the diffuser plate side.
9. such as backlight described in any one of claim 1 to 5, which is characterized in that the quantum dot film includes red quantum dot
With green quantum dot.
10. a kind of display device, which is characterized in that including backlight as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038234.1U CN209167752U (en) | 2018-12-05 | 2018-12-05 | Backlight and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038234.1U CN209167752U (en) | 2018-12-05 | 2018-12-05 | Backlight and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209167752U true CN209167752U (en) | 2019-07-26 |
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ID=67342256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822038234.1U Active CN209167752U (en) | 2018-12-05 | 2018-12-05 | Backlight and display device |
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| Country | Link |
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| CN (1) | CN209167752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114627750A (en) * | 2022-03-22 | 2022-06-14 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device |
-
2018
- 2018-12-05 CN CN201822038234.1U patent/CN209167752U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114627750A (en) * | 2022-03-22 | 2022-06-14 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device |
| CN114627750B (en) * | 2022-03-22 | 2024-04-26 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device |
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