CN108632550A - A kind of television set and its LCD display device - Google Patents
A kind of television set and its LCD display device Download PDFInfo
- Publication number
- CN108632550A CN108632550A CN201810794537.8A CN201810794537A CN108632550A CN 108632550 A CN108632550 A CN 108632550A CN 201810794537 A CN201810794537 A CN 201810794537A CN 108632550 A CN108632550 A CN 108632550A
- Authority
- CN
- China
- Prior art keywords
- light
- led chip
- television set
- guide plate
- feux rouges
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention relates to a kind of television set and its LCD display devices, the television set includes shell and the processor that is set in shell, the LCD display device being connect with processor, LCD display device includes back light source structure and LCD modules, back light source structure includes backboard, the reflector being successively set on backboard, light guide plate and brightness enhancement film and multiple LED illuminating parts in light guide plate side are set, it further include the optical color conversion film being arranged between the light guide plate and brightness enhancement film, the optical color conversion film includes resin basement membrane and is arranged coating layer in resin base membrane layer upper and lower surface, the coating layer contains feux rouges organic fluorescence transition material；The LED illuminating parts include LED chip and the encapsulation glue-line containing green phosphor fluorescent powder being arranged in LED chip.Excitation purity, light efficiency, brightness, light transmittance and the NTSC color gamut of the white light sent out can be improved in the present invention, and low energy consumption, energy conservation and environmental protection, at low cost.
Description
【Technical field】
The present invention relates to full-color display back light source technique fields, more particularly, to a kind of television set and its LCD (liquid crystals
Show) display equipment.
【Background technology】
LCD is the widest flat panel display technology of current application, for the LCD display device of currently used television set,
Generally use white light LED backlight structure provides backlight, and traditional white light LED backlight structure is broadly divided into following three kinds：
(1) blue-light LED chip excites yellow inorganic fluorescent powder structure；
(2) UV LED chip excites redgreenblue inorganic fluorescent powder structure simultaneously；
(3) redgreenblue LED integrated morphologies.
However, there are some apparent defects for above-mentioned three kinds common white light LED backlights.Wherein, back light source structure (1)
It is the simplest, but its spectrum is very dull, and color rendition degree is poor, and the white light generated is through the formed three primary colours of optical filter
In, in addition to blue light, red green purity and efficiency are undesirable, are not the optimal selections of LCD backlight.The color of back light source structure (2)
Color relative abundance, but as a result of ultraviolet light as fluorescence excitation source, larger to the harm of naked eyes, Related product is at present
It is not mature enough.Back light source structure (3) current comparative maturity has some applications in plane display field, but its structure composition is multiple
It is miscellaneous, prepare cumbersome, production cost is relatively high.
【Invention content】
It is an object of the invention to overcome the shortcomings of above-mentioned technology, providing a kind of having higher excitation purity, light efficiency and bright
The television set and its LCD display device of degree and low cost.
The first aspect of the present invention provides a kind of television set, including shell and the processor being set in shell and place
The LCD display device of device connection is managed, the LCD display device includes back light source structure and LCD modules, the back light source structure packet
Include backboard, the reflector, light guide plate and the brightness enhancement film that are successively set on backboard and the multiple LED being arranged in light guide plate side are sent out
Light part, further includes the optical color conversion film being arranged between the light guide plate and brightness enhancement film, and the optical color conversion film includes resin base
Film layer and coating layer in resin base membrane layer upper and lower surface is set, the coating layer contains the conversion of feux rouges organic fluorescence
Material；The LED illuminating parts include LED chip and the packaging plastic containing green phosphor fluorescent powder being arranged in LED chip
Layer.
Further, the coating layer include be adhered to the corresponding resin basement membrane layer surface solidification colloid layer and
The multiple diffused components being evenly distributed in solidification colloid layer, the solidification colloid layer include turning containing the feux rouges organic fluorescence
The solidification colloid of conversion materials.
Further, the coating layer include be adhered to the corresponding resin basement membrane layer surface solidification colloid layer and
The multiple diffused components being evenly distributed in solidification colloid layer, the diffused component include being converted containing the feux rouges organic fluorescence
The diffusion particle of material.
Further, the luminescence peak of the feux rouges organic fluorescence transition material is 615-625nm, and the green phosphor is glimmering
The luminescence peak of light powder is 520-530nm.
Further, the mass ratio of the opposite solidification colloid of the feux rouges organic fluorescence transition material focuses on 1/100000-1/
Between 10000；The mass ratio of the relatively described encapsulation glue-line of the green phosphor fluorescent powder focuses between 20%-50%.
Further, the mass ratio of the feux rouges organic fluorescence transition material relative diffusion particle focuses on 1/10000-1/
Between 1000；The mass ratio of the relatively described encapsulation glue-line of the green phosphor fluorescent powder focuses between 20%-50%.
Further, the LED chip is blue-light LED chip, and the luminescence peak of the blue-light LED chip is 400-
500nm。
Further, the luminescence peak of the blue-light LED chip is 440-450nm.
Further, the resin base membrane layer includes resin basement membrane, and the thickness of the resin basement membrane is 45-55 μm.
The second aspect of the present invention provides a kind of LCD display device, including back light source structure and LCD modules, the backlight
Reflector, light guide plate and the brightness enhancement film and be arranged in light guide plate side that source structure includes backboard, is successively set on backboard
Multiple LED illuminating parts further include the optical color conversion film being arranged between the light guide plate and brightness enhancement film, the optical color conversion film packet
It includes resin base membrane layer and the coating layer in resin base membrane layer upper and lower surface is set, it is organic that the coating layer contains feux rouges
Fluorescence transition material；The LED illuminating parts include LED chip and be arranged in LED chip contain green phosphor fluorescent powder
Encapsulation glue-line.
Implement the present invention, excitation purity, light efficiency, brightness, light transmittance and the NTSC color gamut of the white light sent out can be improved, it can be substantially
Degree promotes color rendition degree, and low energy consumption, energy conservation and environmental protection, at low cost.
【Description of the drawings】
Fig. 1 is a kind of block diagram representation for television set that first embodiment of the invention provides；
Fig. 2 is the decomposition diagram of the back light source structure of the LCD display device of television set shown in Fig. 1；
Fig. 3 is the schematic cross-sectional view of the optical color conversion film of back light source structure shown in Fig. 2；
Fig. 4 is the white-light spectrum curve graph of the back light source structure of an embodiment shown in Fig. 2 in normal operation；
Fig. 5 is a kind of section view of the optical color conversion film of the LCD display device for television set that second embodiment of the invention provides
Schematic diagram.
【Specific implementation mode】
The invention will be further described with reference to the accompanying drawings and examples.
First embodiment
With reference to figure 1, a kind of television set provided by the invention, including shell and be set in shell processor 1, storage
Device 2, wireless communication module 3, LCD display device 4.Memory 2, wireless communication module 3, LCD display device 4 respectively with processor
1 connection.
With reference to figure 2, LCD display device 4 includes back light source structure and the LCD modules being arranged on back light source structure (figure
On be not shown).Back light source structure provides backlight to LCD modules.Back light source structure includes backboard 10, is successively set on backboard 10
Reflector 11, light guide plate 12, optical color conversion film 13 and brightness enhancement film 14 and be arranged in 12 side of light guide plate to light guide plate 12
Multiple LED illuminating parts 15 of level projection.LED illuminating parts 15 it is luminous in the horizontal direction (that is, the plane side where light guide plate 12
To) enter light guide plate 12, vertical direction transmitting (that is, perpendicular to direction of light guide plate 12) is converted in light guide plate 12.It is reflective
Plate 11 is reflected for the opposite lower light emitted to ensure that all light all emit upwards.Optical color conversion film 13 is used for will be from leaded light
The light that 12 Vertical Launch of plate comes out carries out Color Conversion and the light for making Vertical Launch come out is evenly distributed in entire plane.Blast
Film 14 is used to switch to emit to surface by the light of oblique transmitting.
LED illuminating parts 15 include LED chip and the packaging plastic containing green phosphor fluorescent powder being arranged in LED chip
Layer.
LED chip is preferably blue-light LED chip.The luminescence peak of blue-light LED chip is 400-500nm (nanometer), this reality
The luminescence peak for applying a blue-light LED chip is preferably 440-450nm.
Green phosphor fluorescent powder is made of silicate material or aluminates system material.Green phosphor fluorescent powder is opposite to be encapsulated
The mass ratio of glue-line focuses between 20%-50%.The luminescence peak of green phosphor fluorescent powder is 520-530nm, and in 440-
450nm wavelength periods have stronger light absorpting ability.Green phosphor fluorescent powder can be by the physics mode of luminescence generated by light by blue-ray LED
The some blue light that chip is sent out is changed into green light.
With reference to figure 3, optical color conversion film 13 include resin base membrane layer 131 and setting in 131 upper surface of resin base membrane layer and
The coating layer 132 of lower surface.Resin base membrane layer 131 includes resin basement membrane.Resin basement membrane is preferably that light transmittance is poly- higher than 90%
Object film, such as polyester (PET) film are closed, light transmission is good, at low cost.The thickness of resin basement membrane is 45-55 μm (micron), excellent
It is selected as 50 μm.The thickness of resin basement membrane can be selected according to actual conditions.
Coating layer 132 includes being adhered to the solidification colloid layer 133 on corresponding 131 surface of resin base membrane layer and being uniformly distributed
To multiple diffused components 134 in solidification colloid layer 133.The number of diffused component 134 can be according to the reality of resin base membrane layer 131
Size is configured.Solidification colloid layer 133 is used to diffused component 134 being fixedly attached to the surface of resin base membrane layer 131.Diffusion
Element 134 makes uniform light spread for being had an impact to the transmission of light and diverging.Diffused component 134 includes diffusion particle.
Diffusion particle is preferably PMMA (polymethyl methacrylate) particles or PS (polystyrene) particle etc..Diffusion particle it is a diameter of
2-30 μm, preferably 15 μm.Type, the diameter of diffusion particle can be selected according to actual conditions.
It includes the solidification colloid containing feux rouges organic fluorescence transition material to cure colloid layer 133.It is preferably glutinous to cure colloid
Resin, bonding resin has the characteristic of good ultra-violet curing or heat cure, convenient for solidification.
Solidification colloid is produced as follows：Solidification colloid masterbatch is for example binded into resin material and feux rouges organic fluorescence turn
Conversion materials are mixed and are dissolved by organic solvent, are completed after being sufficiently stirred.
The mass ratio of the opposite solidification colloid of feux rouges organic fluorescence transition material focuses between 1/100000-1/10000.Feux rouges
The luminescence peak of organic fluorescence transition material is 615-625nm, and has stronger light absorpting ability in 530-550nm wavelength periods.
The feux rouges organic fluorescence transition material of 131 upper and lower surface of resin base membrane layer can emit blue-light LED chip and through light guide plate 12
The some blue light launched is changed into red emission by way of luminescence generated by light.In actual application, by adjusting red
The ratio of light organic fluorescence transition material and green phosphor fluorescent powder is, it can be achieved that emit blue light, feux rouges and the green light of standard proportional.
The feux rouges and green phosphor fluorescent powder of the blue light, the transformation of feux rouges organic fluorescence transition material that are emitted by blue-light LED chip turn
The white-light spectrum of the green light composition back light source structure of change.Blue light, the feux rouges organic fluorescence emitted by blue-light LED chip converts material
The green light of the feux rouges and the transformation of green phosphor fluorescent powder of expecting transformation is greatly improved the excitation purity of the white light of back light source structure, light
Effect and brightness, reduce energy consumption, relatively traditional back light source structure can save the energy consumption of 15%-50%, and at low cost, performance is steady
It is fixed.And the green light of feux rouges and green phosphor the fluorescent powder transformation changed by feux rouges organic fluorescence transition material has higher
Color saturation and colour gamut, it can be achieved that 90% or more NTSC (National Television System Committee) colour gamut.
Fig. 4 be the use of luminescence peak is 440nm blue-light LED chip, luminescence peak be 620nm feux rouges organic fluorescence turn
Conversion materials and luminescence peak are the white light of the back light source structure of the green phosphor phosphor combination of 530nm in normal operation
Spectral curve.Feux rouges organic fluorescence transition material is 1/10000 relative to the quality proportion of solidification colloid, green phosphor fluorescence
Powder is 30% relative to the quality proportion of encapsulation glue-line.In white-light spectrum curve graph, horizontal axis indicates spectral wavelength, that is, glow peak
Value, the longitudinal axis indicate spectral intensity.It can be seen that the spectrum for the white light that back light source structure through the invention emits from figure
Wider, distribution more balances, and has higher luminous efficiency.
By above-mentioned back light source structure, LCD display device 4 of the invention may be implemented >=90% or even 100%
NTSC color gamut, and the trichromatic excitation purity of RGB is greatly improved, performance is stablized, energy saving, while the light transmittance of light is obtained
It is promoted, light transmittance can promote 25% or more.
By the LCD display device 4 of the present invention and the existing LCD for doing backlight with traditional white light LED backlight structure
Display equipment is compared, and contrast effect is as shown in the table：
As it can be seen that the LCD display device 4 of the present invention is greatly improved excitation purity, light efficiency, brightness, light transmittance and NTSC color gamut,
It is highly practical.
Second embodiment
With reference to figure 5, the present embodiment different from the first embodiment, diffused component 134 include contain feux rouges organic fluorescence
The diffusion particle of transition material.It includes solidification colloid to cure colloid layer 133.
Diffusion particle is produced as follows：First by diffusion particle masterbatch such as PMMA particulate materials, PS particulate materials
It mixes with feux rouges organic fluorescence transition material and is dissolved by organic solvent, made again by spherocrystal after being sufficiently stirred
Grain method can be made into.
The mass ratio of feux rouges organic fluorescence transition material relative diffusion particle focuses between 1/10000-1/1000.Feux rouges
Organic fluorescence transition material can emit blue-light LED chip and some blue light launched through light guide plate 12 passes through luminescence generated by light
Mode be changed into red emission.The feux rouges of the blue light, the transformation of feux rouges organic fluorescence transition material that are emitted by blue-light LED chip
And the white-light spectrum of the green light composition back light source structure of green phosphor fluorescent powder transformation.
This back light source structure through this embodiment equally can be achieved to improve the excitation purity of white light, light efficiency, brightness, light transmission
Rate and NTSC color gamut, low energy consumption, at low cost, is damaged to human eyesight small.
Above example only expresses the preferred embodiment of the present invention, the description thereof is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, it is such as special to the difference in each embodiment
Sign is combined, and these are all within the scope of protection of the present invention.
Claims (10)
1. a kind of television set, including shell and the processor being set in shell, the LCD display device being connect with processor,
The LCD display device includes back light source structure and LCD modules, and the back light source structure includes backboard, is successively set on backboard
On reflector, light guide plate and brightness enhancement film and multiple LED illuminating parts in light guide plate side are set, it is characterised in that：Also wrap
The optical color conversion film being arranged between the light guide plate and brightness enhancement film is included, the optical color conversion film includes resin base membrane layer and sets
The coating layer in resin base membrane layer upper and lower surface is set, the coating layer contains feux rouges organic fluorescence transition material；It is described
LED illuminating parts include LED chip and the encapsulation glue-line containing green phosphor fluorescent powder being arranged in LED chip.
2. television set according to claim 1, it is characterised in that：The coating layer includes being adhered to the corresponding resin
The solidification colloid layer of basement membrane layer surface and the multiple diffused components being evenly distributed in solidification colloid layer, the solidification colloid layer
It include the solidification colloid containing the feux rouges organic fluorescence transition material.
3. television set according to claim 1, it is characterised in that：The coating layer includes being adhered to the corresponding resin
The solidification colloid layer of basement membrane layer surface and the multiple diffused components being evenly distributed in solidification colloid layer, the diffused component packet
Include the diffusion particle containing the feux rouges organic fluorescence transition material.
4. television set according to claim 2 or 3, it is characterised in that：The feux rouges organic fluorescence transition material shines
Peak value is 615-625nm, and the luminescence peak of the green phosphor fluorescent powder is 520-530nm.
5. television set according to claim 2, it is characterised in that：The feux rouges organic fluorescence transition material is with respect to solidification glue
The mass ratio of body focuses between 1/100000-1/10000；The mass ratio of the relatively described encapsulation glue-line of the green phosphor fluorescent powder
It focuses between 20%-50%.
6. television set according to claim 3, it is characterised in that：The feux rouges organic fluorescence transition material relative diffusion grain
The mass ratio of son focuses between 1/10000-1/1000；The quality proportion of the relatively described encapsulation glue-line of the green phosphor fluorescent powder
Between 20%-50%.
7. television set according to claim 1, it is characterised in that：The LED chip is blue-light LED chip, the blue light
The luminescence peak of LED chip is 400-500nm.
8. television set according to claim 7, it is characterised in that：The luminescence peak of the blue-light LED chip is 440-
450nm。
9. television set according to claim 1, it is characterised in that：The resin base membrane layer includes resin basement membrane, the tree
The thickness of aliphatic radical film is 45-55 μm.
10. a kind of LCD display device, including back light source structure and LCD modules, the back light source structure include backboard, set successively
It sets the reflector on backboard, light guide plate and brightness enhancement film and multiple LED illuminating parts in light guide plate side is set, feature exists
In：Further include the optical color conversion film being arranged between the light guide plate and brightness enhancement film, the optical color conversion film includes resin basement membrane
Layer and coating layer in resin base membrane layer upper and lower surface is set, the coating layer contains feux rouges organic fluorescence conversion material
Material；The LED illuminating parts include LED chip and the encapsulation glue-line containing green phosphor fluorescent powder being arranged in LED chip.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018103171611 | 2018-04-10 | ||
| CN201810317161 | 2018-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108632550A true CN108632550A (en) | 2018-10-09 |
Family
ID=63689065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810794537.8A Withdrawn CN108632550A (en) | 2018-04-10 | 2018-07-19 | A kind of television set and its LCD display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108632550A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785748A (en) * | 2019-03-21 | 2019-05-21 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
-
2018
- 2018-07-19 CN CN201810794537.8A patent/CN108632550A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785748A (en) * | 2019-03-21 | 2019-05-21 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20181009 |