CN104007577A - Display device, display equipment and display method - Google Patents
Display device, display equipment and display method Download PDFInfo
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- CN104007577A CN104007577A CN201310061872.4A CN201310061872A CN104007577A CN 104007577 A CN104007577 A CN 104007577A CN 201310061872 A CN201310061872 A CN 201310061872A CN 104007577 A CN104007577 A CN 104007577A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000002096 quantum dot Substances 0.000 claims abstract description 207
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 138
- 239000003086 colorant Substances 0.000 claims description 100
- 210000002858 crystal cell Anatomy 0.000 claims description 63
- 239000002245 particle Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 31
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 238000004020 luminiscence type Methods 0.000 description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 229910004613 CdTe Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The invention discloses a display device, display equipment and a display method. The display device is used on the display equipment. The display equipment has M pixel points, wherein the M is an integer larger than or equal to 1. The display device comprises a backlight module used to generate first backlight, a liquid crystal module arranged on the backlight module and a quantum dot module arranged on the liquid crystal module, wherein the wave length of the first backlight is less than a preset value, the liquid crystal module comprises M liquid crystal units, the M liquid crystal units are in one to one correspondence with the M pixel points, a first liquid crystal unit in the M liquid crystal units is used to control a proportion of the first backlight which passes through the first liquid crystal unit to be a first proportion and obtain second backlight, the quantum dot module comprises M quantum dot units, the M quantum dot units are in one to one correspondence with the M liquid crystal units, and a first quantum dot unit in the M quantum dot units, which is corresponding to the first liquid crystal unit, is used to generate a first color corresponding to the first proportion based on a corresponding relation between the proportion and the color after the first quantum dot unit is stimulated by the second backlight.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of display device, display device and display packing.
Background technology
Along with scientific and technical development, electronic technology has also obtained development at full speed, and the kind of electronic product is also more and more, and people have also enjoyed the various facilities that development in science and technology brings.People can pass through various types of electronic equipments now, enjoy the comfortable life bringing along with development in science and technology.Liquid crystal display (Liquid Crystal Display, LCD) because there is light, thin, high display quality, low energy expenditure and radiationless etc. advantage, be widely used on electronic equipment, on computing machine, mobile phone, panel computer, digital camera, LCD TV etc. electronic equipment.
At present, please refer to Fig. 1, Fig. 1 is the schematic diagram of liquid crystal display in prior art, backlight module 101 is for generating a white backlight, at white backlight, pass through after liquid crystal module 102, by colored filter module 103, filter out three kinds of primary colours and be mixed into default color, thereby making to present colourful picture on the screen of liquid crystal display, giving user with good visual experience.
But in the process of inventor's invention technical scheme in realizing the embodiment of the present invention, find that above-mentioned technology at least exists following technical matters:
Because white backlight is when by colored filter, can only pass through color corresponding to colored filter, such as the colored filter of general liquid crystal display is divided into Red lightscreening plate, green color filter and blue color filter, because only allowing color corresponding in white backlight, pass through these three kinds of optical filters, other colors can be absorbed by colored filter, so backlight greatly in white backlight, all by colored filter, absorbed, the optics utilization factor of colored filter is very low like this, then cause the optics utilization factor of general LCDs to only have 6%-7%, so in order to guarantee the display effect of LCDs, the power consumption of LCDs can account for a big chunk of electronic equipment total power consumption, generally all more than 50%, therefore, in prior art, existence is because the optics utilization factor of colored filter is compared with the low higher technical matters of power consumption that causes electronic equipment.
Simultaneously, owing to existing optics utilization factor because of colored filter compared with the low higher technical matters of power consumption that causes electronic equipment, so at electronic equipment, particularly on the electronic equipment of some mobile models, for example mobile phone, panel computer etc., need user could continue use after charging at the service time of having reduced electronic equipment single charge after the electric weight of the battery of electronic equipment is finished, so electronic equipment of the prior art exists user to experience poor problem.
Summary of the invention
The embodiment of the present invention is by providing a kind of display device, display device and display packing, solved the optics utilization factor because of colored filter that exists in prior art compared with the low higher technical matters of power consumption that causes electronic equipment.
The embodiment of the present invention provides a kind of display device, is applied to a display device, and described display device has M pixel, and M is more than or equal to 1 integer, comprising: backlight module, and for generation of first backlight, described the first back of the body light wavelength is less than a preset value; Liquid crystal module, be arranged on described backlight module, described liquid crystal module comprises M liquid crystal cells, a described M liquid crystal cells is corresponding one by one with a described M pixel, in a described M liquid crystal cells, the first liquid crystal cells is the first ratio for controlling described the first ratio by described the first liquid crystal cells backlight, and acquisition second is backlight; Quantum dot module, be arranged in described liquid crystal module, described quantum dot module comprises M quantum dot unit, described M quantum dot unit is corresponding one by one with a described M liquid crystal cells, in described M quantum dot unit, the first quantum dot unit corresponding with described the first liquid crystal cells is for after being subject to described the second backlight exciting, based on corresponding relation between ratio and color, produce first color corresponding with described the first ratio.
Alternatively, described the first quantum dot unit at least comprises the first quantum dot subelement, the second quantum dot subelement and the 3rd quantum dot subelement, wherein, after being subject to described the second backlight exciting, described the first quantum dot subelement, described the second quantum dot subelement and described the 3rd quantum dot subelement are respectively used to produce first primary colours, second primary colours and the three primary colours corresponding with self; Described the first quantum dot unit, specifically for based on described the first primary colours, described the second primary colours, described three primary colours, produces described the first color.
Alternatively, described the first liquid crystal cells at least comprises the first liquid crystal subelement, the second liquid crystal subelement and the 3rd liquid crystal subelement, corresponding one by one with described the first quantum dot subelement, described the second quantum dot subelement, described the 3rd quantum dot subelement respectively; Described the first liquid crystal cells is the first sub-ratio specifically for controlling described the first ratio by described the first liquid crystal subelement backlight, obtain the first son backlight, controlling described the first ratio by described the second liquid crystal subelement backlight is the second sub-ratio, obtain the second son backlight, controlling described the first ratio by described the 3rd liquid crystal subelement backlight is the 3rd sub-ratio, obtains the 3rd son backlight; Described the first quantum dot subelement is specifically for backlight based on described the first son, produce described the first primary colours, the first intensity of described the first primary colours is corresponding with described the first sub-ratio, described the second quantum dot subelement is specifically for backlight based on described the second son, produce described the second primary colours, the second intensity of described the second primary colours is corresponding with described the second sub-ratio, described the 3rd quantum dot subelement is specifically for backlight based on described the 3rd son, produce described three primary colours, the 3rd intensity of described the first primary colours is corresponding with described the first sub-ratio.
Alternatively, described the first primary colours are red, described the second primary colours are green, described three primary colours are blue, described the first quantum dot subelement is made by the quanta point material with the first particle diameter, described the second quantum dot subelement is made by the quanta point material with the second particle diameter, and described the 3rd quantum dot subelement is made by the quanta point material with the 3rd particle diameter.
Alternatively, when described quanta point material is cadmium selenide, described the first particle diameter is specially 7nm, and described the second particle diameter is specially 2.2nm, and described the 3rd particle diameter is specially 1.8nm.
Alternatively, described first backlight while being blue light, described the first quantum dot unit at least comprises the 4th quantum dot subelement and the 5th quantum dot subelement, after being subject to described the second backlight exciting, described the 4th quantum dot subelement is for generation of four primary colours corresponding with described the 4th quantum dot subelement, and described the 5th quantum dot subelement is for generation of five primary colours corresponding with described the 5th quantum unit, wherein, described the 4th primary colours are specially redness, and described the 5th primary colours are specially green; Described the first quantum dot subelement, for according to described the 4th primary colours, described the 5th primary colours and described first backlight, produces described the first color.
The embodiment of the present invention also provides a kind of display device, comprising: casing; Electric supply installation, is arranged in described casing; As aforementioned said display device, be arranged in described casing, be connected with described electric supply installation.
The embodiment of the present invention also provides a kind of display packing on the other hand, be applied on a display device, described display device has M pixel, M is more than or equal to 1 integer, described display device comprises a display device, described display device comprises backlight module, liquid crystal module and quantum dot module, described liquid crystal module is arranged on described backlight module, comprise M liquid crystal cells, a described M liquid crystal cells is corresponding one by one with a described M pixel, described quantum dot module is arranged in described liquid crystal module, comprise M quantum dot unit, described M quantum dot unit is corresponding one by one with a described M liquid crystal cells, described method comprises: what obtain that described backlight module produces is first backlight, described the first back of the body light wavelength is less than a preset value, controlling described the first ratio by the first liquid crystal cells in a described M liquid crystal cells backlight is the first ratio, and acquisition second is backlight, in described M quantum dot unit, the first quantum dot unit corresponding with described the first liquid crystal cells is subject to after described the second backlight exciting, and the corresponding relation based between ratio and color, produces first color corresponding with described the first ratio.
Alternatively, described the first quantum dot unit at least comprises the first quantum dot subelement, the second quantum dot subelement and the 3rd quantum dot subelement, the first color that described generation is corresponding with described the first ratio, specifically comprise: after being subject to described the second backlight exciting, described the first quantum dot subelement, described the second quantum dot subelement, described the 3rd quantum dot subelement produce respectively first primary colours corresponding with self, the second primary colours and three primary colours; Based on described the first primary colours, described the second primary colours, described three primary colours, described the first quantum dot unit produces described the first color.
Alternatively, described the first primary colours are red, described the second primary colours are green, described three primary colours are blue, described the first quantum dot subelement is made by the quanta point material with the first particle diameter, described the second quantum dot subelement is made by the quanta point material with the second particle diameter, and described the 3rd quantum dot subelement is made by the quanta point material with the 3rd particle diameter.
Alternatively, when described quanta point material is cadmium selenide, described the first particle diameter is specially 7nm, and described the second particle diameter is specially 2.2nm, and described the 3rd particle diameter is specially 1.8nm.
Alternatively, described first backlight while being blue light, described the first quantum dot unit at least comprises the 4th quantum dot subelement and the 5th quantum dot subelement, the first color that described generation is corresponding with described the first ratio, specifically comprise: after being subject to described the second backlight exciting, described the 4th quantum dot subelement is for generation of four primary colours corresponding with described the 4th quantum dot subelement, described the 5th quantum dot subelement is for generation of five primary colours corresponding with described the 5th quantum unit, wherein, described the 4th primary colours are specially redness, described the 5th primary colours are specially green, according to described the 4th primary colours, described the 5th primary colours and described first backlight, produce described the first color.
The one or more technical schemes that provide in the embodiment of the present invention, at least have following technique effect or advantage:
1, owing to producing colored scheme after having adopted quantum dot module to be stimulated, substitute and utilize colored filter to produce colored scheme, and the luminescence efficiency of quantum dot module is higher, so produce the power consumption of colored LCDs after adopting quantum dot module to be stimulated, compare greatly and reduce with the power consumption that adopts colored filter to produce colored LCDs, therefore solved the optics utilization factor because of colored filter that exists in prior art compared with the low higher technical matters of power consumption that causes electronic equipment.
2, because solved the optics utilization factor because of colored filter that prior art exists compared with the low higher technical matters of power consumption that causes electronic equipment, reduced the power consumption of LCDs and electronic equipment, so in the situation that reaching same display effect, reduced and in the process of using electronic equipment, needed user to remove the number of times of charging, solve the problem of the poor user experience existing in prior art, realized the effect of the user's experience that improves electronic equipment.
3, due in this application first backlight be blue light, so can use first backlight as three primary colours, and then can save cost, also saved the first power consumption on the 3rd quantum dot subelement backlight, further reduce the power consumption of LCDs and electronic equipment, also can not affect the display effect of electronic equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of liquid crystal display in prior art;
The functional block diagram of the display device that Fig. 2 provides for the embodiment of the present invention;
The process flow diagram of the display packing that Fig. 3 provides for the embodiment of the present invention;
The functional block diagram of the electronic equipment that Fig. 4 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention is by providing a kind of display device, display device and display packing, solved the optics utilization factor because of colored filter that exists in prior art compared with the low higher technical matters of power consumption that causes electronic equipment.
Technical scheme in the embodiment of the present invention is for solving the optics utilization factor of above-mentioned colored filter compared with the low higher technical matters of power consumption that causes electronic equipment, and general thought is as follows:
The embodiment of the present invention provides a kind of display device, is applied to a display device, and display device has M pixel, and M is more than or equal to 1 integer, comprising:
Backlight module, for generation of first backlight, the first back of the body light wavelength is less than a preset value;
Liquid crystal module, be arranged on backlight module, liquid crystal module comprises M liquid crystal cells, and M liquid crystal cells is corresponding one by one with M pixel, in M liquid crystal cells, the first liquid crystal cells is the first ratio for controlling the first ratio by the first liquid crystal cells backlight, and acquisition second is backlight;
Quantum dot module, be arranged in liquid crystal module, quantum dot module comprises M quantum dot unit, M quantum dot unit is corresponding one by one with M liquid crystal cells, in M quantum dot unit, the first quantum dot unit corresponding with the first liquid crystal cells is for after being subject to the second backlight exciting, based on corresponding relation between ratio and color, produce first color corresponding with the first ratio.
By above-mentioned part, can find out, owing to producing colored scheme after having adopted quantum dot module to be stimulated, substitute and utilize colored filter to produce colored scheme, and the luminescence efficiency of quantum dot module is higher, so produce the power consumption of colored LCDs after adopting quantum dot module to be stimulated, compare greatly and reduce with the power consumption that adopts colored filter to produce colored LCDs, therefore solved the optics utilization factor because of colored filter that exists in prior art compared with the low higher technical matters of power consumption that causes electronic equipment.
Simultaneously, because solved the optics utilization factor because of colored filter of prior art existence compared with the low higher technical matters of power consumption that causes electronic equipment, reduced the power consumption of LCDs and electronic equipment, so in the situation that reaching same display effect, reduced and in the process of using electronic equipment, needed user to remove the number of times of charging, solve the problem of the poor user experience existing in prior art, realized the effect of the user's experience that improves electronic equipment.
In order better to understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Please refer to Fig. 2, Fig. 2 is the functional block diagram of the display device that provides of the embodiment of the present invention, this display device can be applied to a display device, display device equipment has M pixel, M is more than or equal to 1 integer, in actual applications, display device can be for example LCD TV, liquid crystal display, mobile phone, panel computer etc., at this, does not limit.
As shown in Figure 2, this display device comprises:
Backlight module 201, for generation of first backlight, the first back of the body light wavelength is less than a preset value;
Liquid crystal module 202, be arranged on backlight module 201, liquid crystal module 202 comprises M liquid crystal cells, and M liquid crystal cells is corresponding one by one with M pixel, in M liquid crystal cells, the first liquid crystal cells is the first ratio for controlling the first ratio by the first liquid crystal cells backlight, and acquisition second is backlight;
Quantum dot module 203, be arranged in liquid crystal module 202, quantum dot module 203 comprises M quantum dot unit, M quantum dot unit is corresponding one by one with M liquid crystal cells, in M quantum dot unit, the first quantum dot unit corresponding with the first liquid crystal cells is for after being subject to the second backlight exciting, based on corresponding relation between ratio and color, produce first color corresponding with the first ratio.
Please refer to Fig. 3, Fig. 3 is the process flow diagram of the display packing that provides of the embodiment of the present invention, and this display packing can be applied on aforementioned said display device, and this display device comprises display device as shown in Figure 2, and as shown in Figure 3, the method comprises:
S1: what obtain that backlight module 201 produces is first backlight, and the first back of the body light wavelength is less than a preset value;
S2: first ratio by the first liquid crystal cells in M liquid crystal cells backlight of control is the first ratio, acquisition second is backlight;
S3: the first quantum dot unit corresponding with the first liquid crystal cells is subject to after the second backlight exciting in M quantum dot unit, and the corresponding relation based between ratio and color, produces first color corresponding with the first ratio.
In ensuing part, in connection with Fig. 2 and Fig. 3, will take display device as liquid crystal display is example, carry out detailed describing for example.
In step S1, what obtain that backlight module 201 produces is first backlight, the first back of the body light wavelength is less than a preset value, specifically, the backlight module 201 of display device is backlight for generation of first, the first quantum dot unit for excitation quantum point module 203 backlight produces default color, so that liquid crystal display can show colourful picture, gives people with good visual experience.
The backlight of not all wavelength can both produce default color by excitation quantum dot element, the first back of the body light wavelength is less than a preset value, when also the energy of the first middle photon backlight is greater than to a certain degree, can produce default color by excitation quantum dot element, in actual applications, this preset value can be 480nm, that is to say, first backlight can be blue light, also can be other short light of blue light wavelength, such as purple light or ultraviolet light etc.
By step S1, obtain first backlight after, the method that the embodiment of the present invention provides enters step S2, that is: first ratio by the first liquid crystal cells in M liquid crystal cells backlight of controlling is the first ratio, acquisition second is backlight.
In specific implementation process, liquid crystal module 201 can comprise M liquid crystal cells, M liquid crystal cells is corresponding with M pixel of liquid crystal display, for example the first liquid crystal cells can be corresponding with the first pixel of liquid crystal display, and the first liquid crystal cells can comprise the first liquid crystal subelement, the second liquid crystal subelement and the 3rd liquid crystal subelement.
First ratio by the first liquid crystal cells backlight of controlling is the first ratio, obtain second backlight, specifically, can comprise: first ratio by the first liquid crystal subelement backlight of control is the first sub-ratio, obtain the first son backlight, first ratio by the second liquid crystal subelement backlight of control is the second sub-ratio, obtains the second son backlight, first ratio by the 3rd liquid crystal subelement backlight of controlling is the 3rd sub-ratio, obtains the 3rd son backlight.
The generative process of the first color in the first pixel corresponding with the first liquid crystal cells for convenience of description, in the present embodiment, the color range of supposing the first pixel is 256 rank, in ensuing description, to take first backlight be blue light, it is example that the first umber backlight that enters to inject the first liquid crystal cells is 1530 parts, is described in detail.
Because the first liquid crystal cells comprises 3 liquid crystal subelements, so enter to inject the first umber that enters to inject respectively 3 liquid crystal subelements backlight of the first liquid crystal cells, be respectively 510 parts, now can be by applying voltage at three liquid crystal subelements, thereby reach, control the first object of passing through the ratio of the first liquid crystal cells backlight, such as controlling the first ratio by the first liquid crystal subelement backlight, it is the first sub-ratio, thereby it is backlight to obtain the first son, for example the first son umber backlight is 510 parts, first ratio by the second liquid crystal subelement backlight of controlling is the second sub-ratio, obtain the second son backlight, for example the second son umber backlight is 510 parts, first ratio by the 3rd liquid crystal subelement backlight of controlling is the 3rd sub-ratio, obtain the 3rd son backlight, for example the 3rd son umber backlight is 510 parts.
By step S2, obtain second backlight after, the method that the embodiment of the present invention provides enters step S3, that is: in M quantum dot unit, the first quantum dot unit corresponding with the first liquid crystal cells is subject to after the second backlight exciting, corresponding relation based between ratio and color, produces first color corresponding with the first ratio.
Specifically, the first quantum dot unit comprises the first quantum dot subelement, the second quantum dot subelement and the 3rd quantum dot subelement, 3 liquid crystal subelements of 3 quantum dot subelements difference the first liquid crystal cells of the first quantum dot unit are corresponding one by one, after being subject to the second backlight exciting, the first quantum dot subelement is for generation of first primary colours corresponding with the first quantum dot subelement, the second quantum dot subelement is for generation of second primary colours corresponding with the second quantum dot subelement, the 3rd quantum dot subelement is for generation of the three primary colours corresponding with the 3rd quantum dot subelement, the first quantum dot unit, specifically for based on the first primary colours, the second primary colours, three primary colours, produces the first color.
Quanta point material is a kind of nano particle being comprised of II-VI Zu Huo III-V family element, the particle diameter one of quanta point material is between 1-10nm, because electronics and hole are by quantum confinement, continuous band structure becomes the discrete energy levels structure with molecular characterization, can emitting fluorescence after being excited, take CdSe quantum dot as example, when its particle diameter is 7nm, quantum dot emission ruddiness, when its particle diameter is 2.2nm, CdSe quantum dot emission green glow, when its particle diameter is 1.8nm, CdSe quantum dot emission blue light, take CdTe quantum dot as example again, when its particle diameter is 1.5nm-5nm, its emission wavelength can comprise 400nm-660nm, also can comprise the major part in visible ray, these quanta point materials are subject to after exciting of specific light, just can produce corresponding fluorescence, the luminescence efficiency of some specific quanta point materials can reach more than 65%.The power consumption that produces colored LCDs after adopting quantum dot module to be stimulated is compared with the power consumption that adopts colored filter to produce colored LCDs, can save the power consumption of 30% left and right.
In specific implementation process, the first primary colours are red, the second primary colours are green, three primary colours are blue, the first quantum dot subelement is made by the quanta point material with the first particle diameter, the second quantum dot subelement is made by the quanta point material with the second particle diameter, and the 3rd quantum dot subelement is made by the quanta point material with the 3rd particle diameter.The first quantum dot unit is excited the light of produced different colours according to the quanta point material of corresponding particle diameter, produce the first color.
By above-mentioned part, can find out, owing to producing colored scheme after having adopted quantum dot module to be stimulated, substitute and utilize colored filter to produce colored scheme, and the luminescence efficiency of quantum dot module is higher, so produce the power consumption of colored LCDs after adopting quantum dot module to be stimulated, compare greatly and reduce with the power consumption that adopts colored filter to produce colored LCDs, therefore solved the optics utilization factor because of colored filter that exists in prior art compared with the low higher technical matters of power consumption that causes electronic equipment.
Simultaneously, because solved the optics utilization factor because of colored filter of prior art existence compared with the low higher technical matters of power consumption that causes electronic equipment, reduced the power consumption of LCDs and electronic equipment, so in the situation that reaching same display effect, reduced and in the process of using electronic equipment, needed user to remove the number of times of charging, solve the problem of the poor user experience existing in prior art, realized the effect of the user's experience that improves electronic equipment.
In the present embodiment, the CdSe quanta point material that the first quantum dot subelement can be 7nm by particle diameter is made, after being subject to first son be backlight exciting, can produce ruddiness, the CdSe quanta point material that the second quantum dot subelement can be 2.2nm by particle diameter is made, after being subject to second son is backlight exciting, can produce green glow, the CdSe quanta point material that the 3rd quantum dot subelement can be 1.8nm by particle diameter is made, and after being subject to the 3rd son is backlight exciting, can produce blue light.The spectrum account form of color mixture is:
I (λ)=α I
0(λ) [K
rt
r(λ)+K
gt
g(λ)+K
bt
b(λ)] wherein, T
r(λ), T
g(λ), T
b(λ) be respectively the spectrum of corresponding footnote color, K
r, K
g, K
bthe coefficient that represents respectively shades of colour intensity, α is the coefficient of incident light utilization factor, I
0(λ) represent the spectrum of incident light.The first quantum dot unit, according to the spectrometer formula of aforementioned color mixture, after ruddiness, green glow, blue light are mixed, just can produce the first color.
Certainly, by the introduction of the embodiment of the present invention, technician under this area can be according to actual conditions, select the quanta point material of other appropriate particle size to make respectively the first quantum dot subelement, the second quantum dot subelement and the 3rd quantum dot subelement, to meet the needs of actual conditions, at this, just repeated no more.
Due to the component of quanta point material and preparation technology's difference, the luminescence efficiency of quantum dot is not quite similar, in the present embodiment, the luminescence efficiency of supposing CdSe quanta point material is 50%, the red light intensity that the first quantum dot subelement sends is 255, the green light intensity that the second quantum dot subelement sends is 255, the blue light strength that the 3rd quantum dot subelement sends is 255, the first quantum dot unit by the mix of basic colors of these three kinds of intensity together after, just can produce white, therefore will display white in the first pixel corresponding with the first quantum dot unit in liquid crystal display.
By change, be applied to the voltage on the first liquid crystal cells, can control the first ratio of passing through the first liquid crystal cells backlight, thereby make the first quantum dot unit produce corresponding color, such as controlling the first son by the first liquid crystal subelement backlight, it is 510 parts, control by the second liquid crystal subelement second son backlight be 510 parts, control by the 3rd liquid crystal subelement the 3rd son backlight be 0 part, the green glow with 255 intensity that the ruddiness with regard to 255 intensity that the first quantum dot unit generates according to the first quantum dot subelement and the second quantum dot subelement generate, light after mixing is gold-tinted, the first pixel corresponding with the first quantum dot unit in liquid crystal display will show yellow.
Certainly, by the introduction of the present embodiment, the technician under this area can select other suitable quanta point materials to make the quantum dot unit in quantum dot module 203 according to actual conditions, at this, has just repeated no more.
By above-mentioned introduction, each pixel in liquid crystal display can produce shades of colour, these pixels are combined, and just can, for user presents colourful picture, experience to user with good user, in actual applications, the color range number of the pixel in liquid crystal display can be also other numerical value, and the technician under this area can be according to actual conditions, and adjustment first is backlight by the ratio of liquid crystal module, to meet the needs of actual conditions, at this, just repeated no more.
In actual applications, the first quantum dot unit may also can comprise that other are for adjusting the subelement of the display effect of the first pixel in liquid crystal display, such as brightness subelement, can increase display brightness of the first pixel etc., technician under this area can be according to actual conditions, in the first quantum dot subelement, add other subelements, to meet the needs of actual conditions, at this, just repeated no more.
Especially, due in this application first backlight be blue light, so the 3rd quantum dot subelement in previous embodiment can omit, and use first is backlight as three primary colours, and then can save cost, also save the first power consumption on the 3rd quantum dot subelement backlight, further reduced the power consumption of LCDs and electronic equipment, also can not affect the display effect of electronic equipment simultaneously.
Specifically, backlight while being blue light first, the first quantum dot unit at least comprises the 4th quantum dot subelement and the 5th quantum dot subelement, produce first color corresponding with the first ratio, specifically comprise: after being subject to the second backlight exciting, the 4th quantum dot subelement is for generation of four primary colours corresponding with the 4th quantum dot subelement, the 5th quantum dot subelement is for generation of five primary colours corresponding with the 5th quantum unit, wherein, the 4th primary colours are specially redness, and the 5th primary colours are specially green; According to the 4th primary colours, the 5th primary colours and first backlight, produce the first color.
The 4th quantum dot subelement in the present embodiment and the 5th quantum dot subelement, can be the first quantum dot subelement and the second quantum dot subelement in previous embodiment, after front the first quantum dot subelement of having described in detail in the first quantum dot unit is excited with the second quantum dot subelement, produce corresponding primary colours and will after mix of basic colors, produce the detailed process of the first color, be that three primary colours have just been repeated no more at this herein.
Based on same inventive concept, the embodiment of the present invention, also by a kind of display device, please refer to Fig. 4, and Fig. 4 is the functional block diagram of the display device that provides of the embodiment of the present invention, and this display device comprises: casing 401; Electric supply installation 402, is arranged in casing; Display device 403, be arranged in casing 401, be connected with electric supply installation 402, display device 403 in the present embodiment can be the display device that aforementioned part is introduced, in front concrete structure and the implementation process of having described display device in detail, succinct for instructions, has just repeated no more at this.
Technical scheme in the invention described above embodiment, at least has following technique effect or advantage:
1, owing to producing colored scheme after having adopted quantum dot module to be stimulated, substitute and utilize colored filter to produce colored scheme, and the luminescence efficiency of quantum dot module is higher, so produce the power consumption of colored LCDs after adopting quantum dot module to be stimulated, compare greatly and reduce with the power consumption that adopts colored filter to produce colored LCDs, therefore solved the optics utilization factor because of colored filter that exists in prior art compared with the low higher technical matters of power consumption that causes electronic equipment.
2, because solved the optics utilization factor because of colored filter that prior art exists compared with the low higher technical matters of power consumption that causes electronic equipment, reduced the power consumption of LCDs and electronic equipment, so in the situation that reaching same display effect, reduced and in the process of using electronic equipment, needed user to remove the number of times of charging, solve the problem of the poor user experience existing in prior art, realized the effect of the user's experience that improves electronic equipment.
3, due in this application first backlight be blue light, so can use first backlight as three primary colours, and then can save cost, also saved the first power consumption on the 3rd quantum dot subelement backlight, further reduce the power consumption of LCDs and electronic equipment, also can not affect the display effect of electronic equipment simultaneously.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (12)
1. a display device, is applied to a display device, and described display device has M pixel, and M is more than or equal to 1 integer, it is characterized in that, comprising:
Backlight module, for generation of first backlight, described the first back of the body light wavelength is less than a preset value;
Liquid crystal module, be arranged on described backlight module, described liquid crystal module comprises M liquid crystal cells, a described M liquid crystal cells is corresponding one by one with a described M pixel, in a described M liquid crystal cells, the first liquid crystal cells is the first ratio for controlling described the first ratio by described the first liquid crystal cells backlight, and acquisition second is backlight;
Quantum dot module, be arranged in described liquid crystal module, described quantum dot module comprises M quantum dot unit, described M quantum dot unit is corresponding one by one with a described M liquid crystal cells, in described M quantum dot unit, the first quantum dot unit corresponding with described the first liquid crystal cells is for after being subject to described the second backlight exciting, based on corresponding relation between ratio and color, produce first color corresponding with described the first ratio.
2. display device as claimed in claim 1, it is characterized in that, described the first quantum dot unit at least comprises the first quantum dot subelement, the second quantum dot subelement and the 3rd quantum dot subelement, wherein, after being subject to described the second backlight exciting, described the first quantum dot subelement, described the second quantum dot subelement and described the 3rd quantum dot subelement are respectively used to produce first primary colours, second primary colours and the three primary colours corresponding with self;
Described the first quantum dot unit, specifically for based on described the first primary colours, described the second primary colours, described three primary colours, produces described the first color.
3. display device as claimed in claim 2, it is characterized in that, described the first liquid crystal cells at least comprises the first liquid crystal subelement, the second liquid crystal subelement and the 3rd liquid crystal subelement, corresponding one by one with described the first quantum dot subelement, described the second quantum dot subelement, described the 3rd quantum dot subelement respectively;
Described the first liquid crystal cells is the first sub-ratio specifically for controlling described the first ratio by described the first liquid crystal subelement backlight, obtain the first son backlight, controlling described the first ratio by described the second liquid crystal subelement backlight is the second sub-ratio, obtain the second son backlight, controlling described the first ratio by described the 3rd liquid crystal subelement backlight is the 3rd sub-ratio, obtains the 3rd son backlight;
Described the first quantum dot subelement is specifically for backlight based on described the first son, produce described the first primary colours, the first intensity of described the first primary colours is corresponding with described the first sub-ratio, described the second quantum dot subelement is specifically for backlight based on described the second son, produce described the second primary colours, the second intensity of described the second primary colours is corresponding with described the second sub-ratio, described the 3rd quantum dot subelement is specifically for backlight based on described the 3rd son, produce described three primary colours, the 3rd intensity of described the first primary colours is corresponding with described the first sub-ratio;
Described the first quantum dot unit, specifically for based on described the first primary colours, described the second primary colours, described three primary colours, produces described the first color.
4. display device as claimed in claim 2 or claim 3, it is characterized in that, described the first primary colours are red, described the second primary colours are green, described three primary colours are blue, described the first quantum dot subelement is made by the quanta point material with the first particle diameter, and described the second quantum dot subelement is made by the quanta point material with the second particle diameter, and described the 3rd quantum dot subelement is made by the quanta point material with the 3rd particle diameter.
5. display device as claimed in claim 4, is characterized in that, when described quanta point material is cadmium selenide, described the first particle diameter is specially 7nm, and described the second particle diameter is specially 2.2nm, and described the 3rd particle diameter is specially 1.8nm.
6. display device as claimed in claim 1, it is characterized in that, described first backlight while being blue light, described the first quantum dot unit at least comprises the 4th quantum dot subelement and the 5th quantum dot subelement, after being subject to described the second backlight exciting, described the 4th quantum dot subelement is for generation of four primary colours corresponding with described the 4th quantum dot subelement, described the 5th quantum dot subelement is for generation of five primary colours corresponding with described the 5th quantum unit, wherein, described the 4th primary colours are specially redness, and described the 5th primary colours are specially green;
Described the first quantum dot subelement, for according to described the 4th primary colours, described the 5th primary colours and described first backlight, produces described the first color.
7. a display device, is characterized in that, comprising:
Casing;
Electric supply installation, is arranged in described casing;
Display device as described in claim as arbitrary in claim 1-6, is arranged in described casing, is connected with described electric supply installation.
8. a display packing, be applied on a display device, described display device has M pixel, M is more than or equal to 1 integer, it is characterized in that, described display device comprises a display device, described display device comprises backlight module, liquid crystal module and quantum dot module, described liquid crystal module is arranged on described backlight module, comprise M liquid crystal cells, a described M liquid crystal cells is corresponding one by one with a described M pixel, described quantum dot module is arranged in described liquid crystal module, comprise M quantum dot unit, described M quantum dot unit is corresponding one by one with a described M liquid crystal cells, described method comprises:
What obtain that described backlight module produces is first backlight, and described the first back of the body light wavelength is less than a preset value;
Controlling described the first ratio by the first liquid crystal cells in a described M liquid crystal cells backlight is the first ratio, and acquisition second is backlight;
In described M quantum dot unit, the first quantum dot unit corresponding with described the first liquid crystal cells is subject to after described the second backlight exciting, and the corresponding relation based between ratio and color, produces first color corresponding with described the first ratio.
9. method as claimed in claim 8, it is characterized in that, described the first quantum dot unit at least comprises the first quantum dot subelement, the second quantum dot subelement and the 3rd quantum dot subelement, and the first color that described generation is corresponding with described the first ratio, specifically comprises:
After being subject to described the second backlight exciting, described the first quantum dot subelement, described the second quantum dot subelement, described the 3rd quantum dot subelement produce respectively first primary colours corresponding with self, the second primary colours and three primary colours;
Based on described the first primary colours, described the second primary colours, described three primary colours, described the first quantum dot unit produces described the first color.
10. method as claimed in claim 9, it is characterized in that, described the first primary colours are red, described the second primary colours are green, described three primary colours are blue, described the first quantum dot subelement is made by the quanta point material with the first particle diameter, and described the second quantum dot subelement is made by the quanta point material with the second particle diameter, and described the 3rd quantum dot subelement is made by the quanta point material with the 3rd particle diameter.
11. methods as claimed in claim 10, is characterized in that, when described quanta point material is cadmium selenide, described the first particle diameter is specially 7nm, and described the second particle diameter is specially 2.2nm, and described the 3rd particle diameter is specially 1.8nm.
12. methods as claimed in claim 8, it is characterized in that, described first backlight while being blue light, described the first quantum dot unit at least comprises the 4th quantum dot subelement and the 5th quantum dot subelement, the first color that described generation is corresponding with described the first ratio, specifically comprises:
After being subject to described the second backlight exciting, described the 4th quantum dot subelement is for generation of four primary colours corresponding with described the 4th quantum dot subelement, described the 5th quantum dot subelement is for generation of five primary colours corresponding with described the 5th quantum unit, wherein, described the 4th primary colours are specially redness, and described the 5th primary colours are specially green;
According to described the 4th primary colours, described the 5th primary colours and described first backlight, produce described the first color.
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Application publication date: 20140827 |