CN206248966U - A kind of luminous external member of wide colour gamut and the display device using the luminous external member - Google Patents
A kind of luminous external member of wide colour gamut and the display device using the luminous external member Download PDFInfo
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- CN206248966U CN206248966U CN201621355412.8U CN201621355412U CN206248966U CN 206248966 U CN206248966 U CN 206248966U CN 201621355412 U CN201621355412 U CN 201621355412U CN 206248966 U CN206248966 U CN 206248966U
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- external member
- brightness enhancement
- colour gamut
- enhancement film
- fluoride
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Abstract
The utility model provides a kind of luminous external member of wide colour gamut and the display device using the luminous external member.The luminous external member of the wide colour gamut includes one or more fluoride luminescent devices, increases color film, and the increasing coloured silk film is placed in the light path of the fluoride luminescent device emergent light.Additionally, the utility model is additionally provided using the display device of the luminous external member.When luminous external member of the present utility model is applied in display device, straight-down negative lighting system can be used, it would however also be possible to employ side entering type mode.The utility model cleverly combines the color film of existing increasing and fluoride luminescent device, it is possible to increase display colour gamut, while the reduction of brightness can be reduced to greatest extent.
Description
Technical field
The utility model is related to field of liquid crystal display, and in particular to a kind of Luminous cover for lifting liquid crystal display colour gamut
Part and corresponding display device.
Background technology
Liquid crystal display is had been widely used in daily life, including TV, computer, mobile phone, vehicle-mounted etc..It is a kind of
Exemplary liquid crystal display is made up of backlight, backlight module and liquid crystal panel.The color representation of liquid crystal display can advocate
To be together decided on by the colored filter in backlight and liquid crystal panel.
In liquid crystal display device, light sources of the multiple LED as back light unit is commonly used, the selection of backlight is to display
Color representation ability is most important.At present, the optical film of backlight module includes diffusion barrier, brightness enhancement film (prismatic lens), reflective
Polaroid etc., according to the range of application and the difference of product specification of module, the configuration of optical film is also different.Backlight module
In, light is carried out mirror-reflection by reflecting plate, improves the utilization rate of light；Spot light or line source are converted to area source by light guide plate；
Diffuser plate rises and widens visual angle, the effect of hidden light guide plate mesh point；The light that two orthogonal prismatic lenses will spread is at certain angle
Optically focused in degree, improves axial brightness.But, although these film layers can make light more uniform, colour gamut can not be improved.
The summation of the color that colour gamut, i.e. display device can be showed, is the important finger of liquid crystal display color representation ability
One of mark.Color domain coverage ratio is bigger, and the visual effect that display is presented is truer, lively.Therefore, it is highly desirable to be set existing
Propose further lift the equipment or device of colour gamut on the basis of standby.
In addition, although, the concept for increasing color film is proposed in the prior art, but, in the prior art not it is noted that increasing
If color film is used with specific light source composition external member, more preferable effect is obtained in that.
Utility model content
To improve the colour gamut of liquid crystal display, the utility model provides a kind of luminous external member of wide colour gamut.
Specifically, on the one hand, the utility model provides a kind of wide colour gamut luminous external member, it is characterised in that the wide color
The luminous external member in domain includes one or more fluoride luminescent devices and increases color film, and the increasing coloured silk film is placed in the fluoride luminescent
In the light path of device emergent light.
Preferably, the fluoride luminescent device be fluoride LED light bar, the fluoride lamp bar placement parallel to each other,
Each fluoride lamp bar includes some LED luminescence chips being intervally arranged.
Preferably, the fluoride lamp bar includes some blue-ray LED luminescence chips and fluoride layer, the fluoride stratification
In blue-ray LED luminescence chip front.
Preferably, the fluoride lamp bar also includes green-emitting fluorescent layer.
On the other hand, the utility model provides a kind of display device using the luminous external member of the wide colour gamut, and its feature exists
In the display device includes：The luminous external member of described wide colour gamut, liquid crystal panel, diffusion barrier, upper brightness enhancement film, lower brightness enhancement film and
Diffuser plate, order is stacked successively for the liquid crystal panel, diffusion barrier, upper brightness enhancement film, lower brightness enhancement film and diffuser plate, the wide colour gamut hair
The color film of increasing in light external member be placed in the liquid crystal panel, diffusion barrier, upper brightness enhancement film, lower brightness enhancement film and diffuser plate it is any both
Between, the fluoride luminescent device in the luminous external member of the wide colour gamut is placed in the diffuser plate lower section.
Preferably, the coloured silk film that increases is arranged between the diffusion barrier and the upper brightness enhancement film.
On the other hand, the utility model provides another display device using the luminous external member of the wide colour gamut, its feature
It is that the display device includes：The luminous external member of described wide colour gamut, liquid crystal layer, reflective polarizer formula brightness enhancement film, upper brightness enhancement film,
Lower brightness enhancement film, diffusion barrier, light guide plate and reflecting plate, the liquid crystal layer, reflective polarizer formula brightness enhancement film, upper brightness enhancement film, lower brightness enhancement film,
Order is stacked successively for diffusion barrier, light guide plate and reflecting plate, the increasing coloured silk film in the luminous external member of the wide colour gamut be placed in the liquid crystal layer,
Reflective polarizer formula brightness enhancement film, upper brightness enhancement film, lower brightness enhancement film, diffusion barrier, light guide plate it is any between the two, the wide colour gamut lights
Fluoride luminescent device in external member is placed in the light guide plate sidepiece.
Preferably, the coloured silk film that increases is placed between the reflective polarizer formula brightness enhancement film and the upper brightness enhancement film.
Preferably, the fluoride luminescent device be arranged in parallel in strip with the light guide plate, and light emission direction direction
The light guide plate.
The coloured silk film that increases is made up of optical wavelength conversion material and fluoropolymer resin, and increasing coloured silk film can use Chinese patent Shen
Increasing coloured silk film that please be described in 201610544078.9, or similar increasing coloured silk film.The coloured silk film that increases can also be combined with light diffusion coating,
Directly replace the upper diffusion barrier in backlight module.
The colour gamut backlight high by blue-light LED chip, green-emitting fluorescent layer, fluoride red fluorescence layer by layer, green-emitting fluorescent
Layer, fluoride layer are placed in blue-light LED chip front, or the two can be integrated.Wide colour gamut lamp bar is close to backlight module
In light guide plate set.Fluoride layer can be used for luminous fluoride layer using any disclosed in prior art.Fluorine
Fluoride in compound layer includes but is not limited to K2TiF6:Mn4+、K2SiF6:Mn4+、K2SnF6:Mn4+、K2GeF6:Mn4+、K2ZrF6:
Mn4+、K2GdF5:Eu3+In one or more.
Technique effect
The luminous external member of wide colour gamut in the utility model provides and the color film of increasing is applied in combination with fluoride lamp bar, Ke Yixian
Write the colour gamut of lifting display.
Brief description of the drawings
Fig. 1 is the structural representation of the luminous external member in the utility model embodiment 1；
Fig. 2 is the spectrum schematic diagram of luminescent device and the color film of increasing in the utility model embodiment 1；
Fig. 3 is the structural representation of the display device in the utility model embodiment 2；
Fig. 4 is the structural representation of the display device in the utility model embodiment 3.
Specific embodiment
The utility model is described in detail below in conjunction with accompanying drawing and embodiment, but not therefore by the utility model
Protection domain be limited in embodiment description scope among.
Embodiment 1
Referring to the luminous external member of colour gamut high that Fig. 1 and Fig. 2 describe the embodiment in detail.
Fig. 1 shows the structural representation of luminous external member of the present utility model.As illustrated, the luminous external member bag of the wide colour gamut
Include fluoride luminescent device 1 and increase color film 2, increase color film 2 and be placed in the light path of the emergent light of fluoride luminescent device 1, the present embodiment
In, it is placed in the top of fluoride luminescent device 1.
Contain K in fluoride layer used in wide colour gamut lamp bar in the present embodiment2SiF6:Mn4+Red fluorescence powder, green-emitting fluorescent
Contain β-SiAlON in layer：Eu2+Green emitting phosphor.K2SiF6:Mn4+Red fluorescence powder has feature between 610nm-660nm
Property five spikes, a width of 20nm of its half-peak relative to the half-peak breadth of general fluorescent material 50nm, imply that fluorination matter fluorescent powder
Feux rouges excitation is greatly lifted, and its colour gamut can be significantly improved.Blue-light LED chip can be made into white light light after exciting red green fluorescence powder
Source, the colour gamut of lamp bar is up to 90%NTSC in the embodiment.
201 lines of Fig. 2 are the luminescent spectrum of the light source, the part between feux rouges and green glow, the i.e. model of 580nm-600nm
The heterogeneous light of non-base color light is still suffered from enclosing.The absorption conversion spectrum of the color film of increasing that 202 lines of Fig. 2 are with lamp bar constitutes external member,
Its absorption region and fluoride lamp bar need spectral region to be converted to match completely, and the luminous external member of the colour gamut high makes
110%NTSC is promoted to by the colour gamut of liquid crystal display, and minimally reduces the loss of light, this contributes to the enhancement to make
The product for obtaining suitably is used together.
It should be appreciated by those skilled in the art that the making of fluoride luminescent device and using being as well known to those skilled in the art
, innovative point not of the present utility model, main improvement of the present utility model is that fluoride lamp bar is carried out into group with color film is increased
Conjunction is used.
Embodiment 2
Fig. 3 shows the structure chart being applied to luminous external member of the present utility model in the liquid crystal display of straight-down negative.Such as
Shown in figure, the directly-down liquid crystal display device includes：Fluoride lamp bar 11, the color film 12 of increasing (the two constitutes luminous external member), liquid crystal
Layer 13, diffusion barrier 14, upper brightness enhancement film 15, lower brightness enhancement film 16 and diffuser plate 17.Wherein fluoride lamp bar 11 is arranged at optics cavity 18
Interior, arrangement parallel to each other, each lamp bar is made up of some LED blue chips and fluoride layer.
Order is stacked successively for liquid crystal layer 13, diffusion barrier 14, upper brightness enhancement film 15, lower brightness enhancement film 16 and diffuser plate 17, increases color film
12 are placed between diffusion barrier 14 and upper brightness enhancement film, and fluoride lamp bar 11 is placed in the lower section of diffuser plate 17.Fluoride lamp bar 11 is arranged at
Lamp box bottom, increases color film and is arranged between diffusion barrier and liquid crystal panel.
Embodiment 3：
Fig. 4 shows the structure being applied to wide colour gamut of the present utility model luminous external member in the liquid crystal display of side-light type
Schematic diagram.
As illustrated, the liquid crystal display in the present embodiment includes：Increase color film 21, (the two composition of fluoride lamp bar 22
Luminous external member), liquid crystal panel 23, reflective polarizer formula brightness enhancement film 24, upper brightness enhancement film 25, lower brightness enhancement film 26, diffusion barrier 27, light guide plate
28 and reflecting plate 29.Liquid crystal layer 23, reflective polarizer formula brightness enhancement film 24, upper brightness enhancement film 25, lower brightness enhancement film 26, diffusion barrier 27, leaded light
Order is stacked successively for plate 28 and reflecting plate 29, and fluoride lamp bar 22 is placed in the sidepiece of light guide plate 28, increase color film 21 be placed in liquid crystal layer 23,
Reflective polarizer formula brightness enhancement film 24, upper brightness enhancement film 25, lower brightness enhancement film 26, diffusion barrier 27, light guide plate 28 it is any between the two.
In the present embodiment, increase color film 21 to be placed between reflective polarizer formula brightness enhancement film 24 and upper brightness enhancement film 25.
Fluoride luminescent device is parallel with light guide plate 28 in strip, is placed along the sidepiece of light guide plate 28, and light emission direction
Towards the side of light guide plate 28.
The side-light type display is that lamp bar is arranged on by the light guide plate side of particular design, side-light type liquid crystal display
It is lighter relative to straight-down negative, thin, so its mixed light space is apart from limited, therefore the light of line source need to be guided into more by light guide plate
The light of uniform area source.
Same as Example 1 in wide colour gamut lamp bar in the present embodiment, the colour gamut of lamp bar also can reach 90%NTSC, different
Be the colour gamut lamp bar high for the lamp bar in embodiment 1, LED light source arranges even closer in lamp bar, and in LED light
The second lens of mixed light are not carried out on source.
In the present embodiment, the light absorbs conversion characteristic that color film is increased by matching is special with the luminescent spectrum of fluoride lamp bar
Property, optimal colour gamut can be provided to lift external member.
Although being described in detail to principle of the present utility model above in conjunction with preferred embodiment of the present utility model,
It should be appreciated by those skilled in the art that above-described embodiment is only the explanation to exemplary implementation of the present utility model, and
The non-restriction that scope is included to the utility model.Details in embodiment does not constitute the limitation to the utility model scope,
In the case of without departing substantially from spirit and scope of the present utility model, any equivalent transformation based on technical solutions of the utility model, letter
Single replacement etc. is obvious to be changed, and is all fallen within the utility model protection domain.
Claims (9)
1. the luminous external member of a kind of wide colour gamut, it is characterised in that the luminous external member of the wide colour gamut includes one or more fluorides hair
Optical device and the color film of increasing, the increasing coloured silk film are placed in the light path of the fluoride luminescent device emergent light.
2. the luminous external member of wide colour gamut according to claim 1, it is characterised in that the fluoride luminescent device is fluoride
LED light bar, the fluoride lamp bar placement parallel to each other, each fluoride lamp bar includes the luminous cores of some LED being intervally arranged
Piece.
3. the luminous external member of wide colour gamut according to claim 2, it is characterised in that the fluoride lamp bar includes some blue lights
LED luminescence chips and fluoride layer, the fluoride layer are placed in the blue-ray LED luminescence chip front.
4. the luminous external member of wide colour gamut according to claim 3, it is characterised in that the fluoride lamp bar also includes that green glow is glimmering
Photosphere.
5. a kind of display device of the luminous external member of wide colour gamut in use claim 1-4 described in any one, it is characterised in that
The display device includes：The luminous external member of wide colour gamut in claim 1-3 described in any one, liquid crystal panel, diffusion barrier, on
Brightness enhancement film, lower brightness enhancement film and diffuser plate, the liquid crystal panel, diffusion barrier, upper brightness enhancement film, lower brightness enhancement film and diffuser plate successively order
It is stacked, the increasing coloured silk film in the luminous external member of the wide colour gamut be placed in the liquid crystal panel, diffusion barrier, upper brightness enhancement film, lower brightness enhancement film and
In diffuser plate it is any between the two, the fluoride luminescent device in the luminous external member of the wide colour gamut is placed under the diffuser plate
Side.
6. display device according to claim 5, it is characterised in that the increasing coloured silk film be arranged at the diffusion barrier with it is described
Between upper brightness enhancement film.
7. a kind of display device of the luminous external member of wide colour gamut in use claim 1-4 described in any one, it is characterised in that
The display device includes：Wide colour gamut luminous external member, liquid crystal layer, reflective polarizer formula in claim 1-3 described in any one
Brightness enhancement film, upper brightness enhancement film, lower brightness enhancement film, diffusion barrier, light guide plate and reflecting plate, the liquid crystal layer, reflective polarizer formula brightness enhancement film, on
Order is stacked successively for brightness enhancement film, lower brightness enhancement film, diffusion barrier, light guide plate and reflecting plate, and the increasing in the luminous external member of the wide colour gamut is color
Film be placed in the liquid crystal layer, reflective polarizer formula brightness enhancement film, upper brightness enhancement film, lower brightness enhancement film, diffusion barrier, light guide plate it is any both it
Between, the fluoride luminescent device in the luminous external member of the wide colour gamut is placed in the light guide plate sidepiece.
8. display device according to claim 7, it is characterised in that the increasing coloured silk film is placed in the reflective polarizer formula blast
Between film and the upper brightness enhancement film.
9. display device according to claim 7, it is characterised in that the fluoride luminescent device is led in strip with described
Tabula rasa be arranged in parallel, and light emission direction is towards the light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621355412.8U CN206248966U (en) | 2016-12-12 | 2016-12-12 | A kind of luminous external member of wide colour gamut and the display device using the luminous external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621355412.8U CN206248966U (en) | 2016-12-12 | 2016-12-12 | A kind of luminous external member of wide colour gamut and the display device using the luminous external member |
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| Publication Number | Publication Date |
|---|---|
| CN206248966U true CN206248966U (en) | 2017-06-13 |
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ID=59005848
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621355412.8U Active CN206248966U (en) | 2016-12-12 | 2016-12-12 | A kind of luminous external member of wide colour gamut and the display device using the luminous external member |
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| CN (1) | CN206248966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108153055A (en) * | 2018-01-08 | 2018-06-12 | 昆山龙腾光电有限公司 | Backlight module and liquid crystal display |
-
2016
- 2016-12-12 CN CN201621355412.8U patent/CN206248966U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108153055A (en) * | 2018-01-08 | 2018-06-12 | 昆山龙腾光电有限公司 | Backlight module and liquid crystal display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220419 Address after: No. 158, baihequan West Road, Zhashan street, Caidian District, Wuhan City, Hubei Province 430108 Patentee after: Wuhan Huacai photoelectric Co.,Ltd. Address before: 430075 floor 5, building B6, Guanggu biological city, No. 666, Gaoxin Avenue, Donghu Development Zone, Hongshan District, Wuhan City, Hubei Province Patentee before: WUHAN POLYQOLOR TECHNOLOGY Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wide color gamut luminous kit and a display device adopting the luminous kit Effective date of registration: 20230209 Granted publication date: 20170613 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: Wuhan Huacai photoelectric Co.,Ltd. Registration number: Y2023420000035 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |