CN105241547A - Display panel, display device and method for detection intensity of ultraviolet ray - Google Patents
Display panel, display device and method for detection intensity of ultraviolet ray Download PDFInfo
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Abstract
The invention relates to the display technology field, especially relates to a display panel, a display device and a method for detection the intensity of ultraviolet rays, and is aimed at solving the problem of the prior art that an ultraviolet ray detection function is difficult to apply to a miniature portable instrument. According to the embodiment of the invention, the display panel comprises a first substrate and a second substrate that face each other, at least one detection unit arranged on the second substrate, and a signal processing unit; the detection unit includes a first light sensing unit and a second light sensing unit; the area of the light output side of the first substrate, covered with the first light sensing unit and the second light sensing unit, is equipped with a light filter layer, and the area of the first substrate, covered with the second light sensing unit, is equipped with a light conversion material; and the signal processing unit is used for determining an intensity value of ultraviolet rays according to the intensity of a first electric signal and the intensity of a second electric signal. The detection unit for detecting the intensity of ultraviolet rays and the signal processing unit are both positioned inside the display panel, so the display panel can be applied to a miniature portable instrument.
Description
Technical field
The present invention relates to display technique field, particularly a kind of method of display panel, display device and detection uitraviolet intensity.
Background technology
In recent years, the mankind pay close attention to further to own health problem.When going out, people often go the ultraviolet index paying close attention to extraneous sunshine, take precautions against ultraviolet injury to carry out corresponding measure.
Along with the progress of science and technology, mobile device is used to become a requisite part in people's daily life and work, conveniently people can obtain the ultraviolet index of extraneous sunshine whenever and wherever possible, prior art adds function of detecting ultraviolet light on the mobile apparatus, the current signal of light sensors different-waveband is such as set in display panel, and calculate uitraviolet intensity by process, but this detection method is subject to ambient light effects, optical sensor need be placed in outside sealed plastic box, is therefore difficult to narrow frame or Rimless Miniaturized portable equipment.
To sum up, detect ultraviolet function to be at present difficult to be applied to Miniaturized portable equipment.
Summary of the invention
The invention provides a kind of method of display panel, display device and detection uitraviolet intensity, detect in order to solve in prior art the problem that ultraviolet function is difficult to be applied to Miniaturized portable equipment.
Based on the problems referred to above, a kind of display panel that the embodiment of the present invention provides, comprises the first substrate and second substrate that are oppositely arranged, is arranged on the multiple pixel cell on described second substrate and at least one detecting unit, and signal processing unit;
Wherein each described detecting unit comprises the first photoinduction unit and the second photoinduction unit, and described photoinduction unit is used for the light signal received to be converted into electric signal;
The region that described first substrate light emission side covers described first photoinduction unit and the second photoinduction unit on the surface arranges light filtering layer, and the region covering described second photoinduction unit also arranges light-converting material, wherein, described light-converting material is between described first substrate and light filtering layer;
Described signal processing unit, the intensity of the second electric signal that intensity and described second photoinduction unit for the first electric signal according to described first photoinduction unit generation produce, determines uitraviolet intensity value.
Optionally, described photoinduction unit is photoinduction thin film transistor (TFT), and the thin film transistor (TFT) of described photoinduction thin film transistor (TFT) and described pixel cell is arranged with layer.
Optionally, in described detecting unit, the first photoinduction unit and the second photoinduction unit lay respectively at two adjacent blue subpixel areas.
Optionally, described smooth filtering layer adopts infrared black matrix material that can be saturating to make.
Optionally, described light conversion material layer adopts infrared quantum point.
Optionally, described signal processing unit, specifically for:
The second electrical signal intensity that the first electrical signal intensity produced according to the first photoinduction unit described in detecting unit and the second photoinduction unit produce, determines the difference of described first electrical signal intensity and the second electrical signal intensity;
If described detecting unit is one, then using described difference as uitraviolet intensity value;
If described detecting unit is multiple, then the multiple described difference determined is averaged and obtain uitraviolet intensity value.
The embodiment of the present invention provides a kind of display device, comprises the display panel described in above-mentioned any one.
The embodiment of the present invention provides a kind of method detecting uitraviolet intensity, comprising:
Determine the first electrical signal intensity of the first photoinduction unit generation and the second electrical signal intensity of the second photoinduction unit generation in detecting unit;
The second electrical signal intensity that the first electrical signal intensity produced according to described first photoinduction unit and described second photoinduction unit produce, determines uitraviolet intensity value.
Optionally, described the first electrical signal intensity determining that in detecting unit, the first photoinduction unit produces, comprising:
Determine that extraneous light is irradiated on the first photoinduction unit after light filtering layer, the first electrical signal intensity that described first photoinduction unit produces.
Optionally, described the second electrical signal intensity determining that in detecting unit, the second photoinduction unit produces, comprising:
Determine that extraneous light is irradiated on the second photoinduction unit successively after light-converting material, light filtering layer, the second electrical signal intensity that described second photoinduction unit produces.
Optionally, the second electrical signal intensity that the first electrical signal intensity produced according to described first photoinduction unit and described second photoinduction unit produce, determine uitraviolet intensity value, comprising:
The second electrical signal intensity that the first electrical signal intensity produced according to the first photoinduction unit in detecting unit and the second photoinduction unit produce, determines the difference of described first electrical signal intensity and the second electrical signal intensity;
If described detecting unit is one, then using described difference as uitraviolet intensity value;
If described detecting unit is multiple, then the multiple described difference determined is averaged and obtain uitraviolet intensity value.
Display panel in the embodiment of the present invention, second substrate is provided with at least one detecting unit, each detecting unit comprises the first photoinduction unit and the second photoinduction unit, the first electric signal and the second electric signal is produced after light irradiates, due to cover the first photoinduction unit and the second photoinduction unit first substrate on be provided with different Rotating fields, therefore the first photoinduction unit is irradiated to also not identical with the light intensity of the second photoinduction unit, thus according to the difference of the first electric signal and the second electric signal, determine uitraviolet intensity value, because the detecting unit of this detection uitraviolet intensity and signal processing unit are all positioned at display panel inside, thus Miniaturized portable equipment can be applied to.
Accompanying drawing explanation
Fig. 1 is the structural representation one of a kind of display panel of the embodiment of the present invention;
Fig. 2 is the structural representation two of a kind of display panel of the embodiment of the present invention;
Fig. 3 is the position view of embodiment of the present invention detecting unit;
Fig. 4 is the inner structure schematic diagram of a kind of display panel of the embodiment of the present invention;
Fig. 5 is the connection diagram of embodiment of the present invention photoinduction thin-film transistor and thin-film transistor;
Fig. 6 is embodiment of the present invention light filtering layer material transmitance schematic diagram;
Fig. 7 is a kind of process flow diagram detecting uitraviolet intensity method of the embodiment of the present invention;
Fig. 8 is a kind of overall flow figure detecting uitraviolet intensity method of the embodiment of the present invention.
Embodiment
The display panel of the embodiment of the present invention comprises the first substrate and second substrate that are oppositely arranged, is arranged on the multiple pixel cell on described second substrate and at least one detecting unit, and signal processing unit; Wherein each described detecting unit comprises the first photoinduction unit and the second photoinduction unit, and described photoinduction unit is used for the light signal received to be converted into electric signal; The region that described first substrate light emission side covers described first photoinduction unit and the second photoinduction unit on the surface arranges light filtering layer, and the region covering described second photoinduction unit also arranges light-converting material, wherein, described light-converting material is between described first substrate and light filtering layer; Described signal processing unit, the intensity of the second electric signal that intensity and described second photoinduction unit for the first electric signal according to described first photoinduction unit generation produce, determines uitraviolet intensity value.
Second substrate due to embodiment of the present invention display panel is provided with at least one detecting unit, each detecting unit comprises the first photoinduction unit and the second photoinduction unit, the first electric signal and the second electric signal is produced after light irradiates, due to cover the first photoinduction unit and the second photoinduction unit first substrate on be provided with different Rotating fields, therefore the first photoinduction unit is irradiated to also not identical with the light intensity of the second photoinduction unit, thus according to the difference of the first electric signal and the second electric signal, determine uitraviolet intensity value.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
The display panel of the embodiment of the present invention comprises one or more detecting unit and signal processing unit, and signal processing unit is positioned on pcb board, and wherein multiple detecting unit is connected with signal processing unit respectively by data line.Wherein, signal processing unit is used for the second electrical signal intensity of the first electrical signal intensity and the second photoinduction unit generation produced according to the first photoinduction unit described in detecting unit, determines the difference of described first electrical signal intensity and the second electrical signal intensity; If described detecting unit is one, then using described difference as uitraviolet intensity value; If described detecting unit is multiple, then the multiple described difference determined is averaged and obtain uitraviolet intensity value.
Different according to the number of detecting unit below, point situation illustrates the detection method of uitraviolet intensity value.
One, the inner detecting unit of display panel is one.
In the embodiment of the present invention, if the inner detecting unit of display panel is one, then the electric signal difference calculated by signal processing unit is as uitraviolet intensity value.As shown in Figure 1, the structural representation of a kind of display panel of the embodiment of the present invention, comprise a detecting unit 101, signal processing unit 102, wherein signal processing unit 102 is positioned on pcb board 103.In enforcement, the first electric signal that first photoinduction unit produces by detecting unit 101 and the second electric signal transmission that the second photoinduction unit produces are to signal processing unit 102, signal processing unit 102 calculates the first electric signal of detecting unit 101 generation and the difference of the second electric signal, then this difference is uitraviolet intensity value.
Two, the inner detecting unit of display panel is multiple.
In the embodiment of the present invention, if the inner detecting unit of display panel is multiple, then the multiple electric signal differences calculated by signal processing unit are averaged, using this mean value as uitraviolet intensity value.As shown in Figure 2, the structural representation of a kind of display panel of the embodiment of the present invention, comprises three detecting units, is respectively detecting unit 201, detecting unit 202 and detecting unit 203; Signal processing unit 204, wherein signal processing unit 204 is positioned on pcb board 205.In enforcement, detecting unit 201 is by the first electric signal of producing and the second electric signal transmission to signal processing unit 204, and signal processing unit 204 calculates the first electric signal and the difference of the second electric signal that detecting unit 201 produces; Detecting unit 202 is by the first electric signal of producing and the second electric signal transmission to signal processing unit 204, and signal processing unit 204 calculates the first electric signal and the difference of the second electric signal that detecting unit 202 produces; Detecting unit 203 is by the first electric signal of producing and the second electric signal transmission to signal processing unit 204, and signal processing unit 204 calculates the first electric signal and the difference of the second electric signal that detecting unit 203 produces; Obtain three differences are averaged by signal processing unit, and this mean value is uitraviolet intensity value.
Because embodiment of the present invention detecting unit can be one or more, when detecting unit is multiple, the difference of multiple first electrical signal intensity obtained and the second electrical signal intensity is averaged, using the mean value of difference as uitraviolet intensity value, thus improve the accuracy detecting uitraviolet intensity.
Optionally, in detecting unit, the first photoinduction unit and the second photoinduction unit lay respectively at two adjacent blue subpixel areas.
Because the first photoinduction unit in the detecting unit of the embodiment of the present invention and the second photoinduction unit lay respectively at two adjacent blue subpixel areas, first photoinduction unit and the second photoinduction unit lay respectively in adjacent sub-pixel, can ensure that the ambient light line strength in region residing for the first photoinduction unit and the second photoinduction is identical, thus make the uitraviolet intensity that detects more accurate.Photoinduction unit is positioned at blue subpixel areas, reduces the impact on display effect to greatest extent, thus improves the display quality of display panel.
In the embodiment of the present invention, for each detecting unit, comprise the first photoinduction unit and the second photoinduction unit, wherein the first photoinduction unit and the second photoinduction unit lay respectively in two adjacent blue subpixels, as shown in Figure 3, first photoinduction unit 301 is positioned at the A1 region of blue subpixels, and the second photoinduction unit 302 is positioned at the A2 region of blue subpixels.
Optionally, photoinduction unit is photoinduction thin film transistor (TFT), and the thin film transistor (TFT) of described photoinduction thin film transistor (TFT) and described pixel cell is arranged with layer.
Because embodiment of the present invention photoinduction unit is preferably photoinduction thin film transistor (TFT), and the thin film transistor (TFT) of photoinduction thin film transistor (TFT) and pixel cell is arranged with layer, reduce the viewing area area that photoinduction unit takies to greatest extent, thus the impact reduced aperture opening ratio, improve the display quality of display panel.
In the embodiment of the present invention, photoinduction unit is preferably photoinduction thin film transistor (TFT), and photoinduction thin film transistor (TFT) is arranged on second substrate, and arranges with layer with the thin film transistor (TFT) of pixel cell.As shown in Figure 4, the inner structure schematic diagram of a kind of display panel of the embodiment of the present invention, comprise first substrate 401, second substrate 402, be arranged at the first photoinduction thin film transistor (TFT) 403 and the second photoinduction thin film transistor (TFT) 404 on second substrate 402, be arranged at the light filtering layer 405 in first substrate 401 light emission side surface coverage first photoinduction thin film transistor (TFT) 403 and the second photoinduction thin film transistor (TFT) 404 region, and be arranged at the light conversion material layer 406 in first substrate 401 light emission side surface coverage second photoinduction thin film transistor (TFT) 404 region, wherein light conversion material layer 406 is between first substrate 401 and light filtering layer 405.
In the embodiment of the present invention, the connected mode of photoinduction thin-film transistor and thin-film transistor as shown in Figure 5, thin film transistor (TFT) 501 and the photoinduction thin film transistor (TFT) 502 of pixel cell are that same layer is arranged in display panel, wherein, photoinduction thin film transistor (TFT) 502 one end is connected with grid line, the other end is connected with the data line of transmission of electric signals, and the electric signal produced by photoinduction thin film transistor (TFT) passes through the data line transfer of transmission of electric signals to signal processing unit.
It should be noted that; when the inner structure schematic diagram of a kind of display panel of the invention described above embodiment is just preferably photoinduction thin film transistor (TFT) to embodiment of the present invention photoinduction unit; illustrating of the inner structure of display panel, the embodiment of the present invention wants the inner structure of the display panel protected to be not limited to the inner structure of above-mentioned illustrational display panel.
Optionally, light filtering layer adopts infrared black matrix material that can be saturating to make.
Due in the embodiment of the present invention, adopt infrared black matrix material that can be saturating as light filtering layer, extraneous natural light through by the infrared light filtering layer made of black matrix material that can be saturating, only has infrared ray can by light filtering layer, and other light are stopped by light filtering layer.
In the embodiment of the present invention, light filtering layer adopts infrared black matrix material that can be saturating to make, this infrared can be saturating black matrix material transmitance as shown in Figure 6, this infrared black matrix material that can be saturating is almost 0 in the transmitance in Uv and visible light region, and at region of ultra-red, especially have very high transmitance at more than 900nm, therefore, this infrared black matrix material that can be saturating can ultraviolet ray filtering and visible ray well, and infrared ray is passed through.Wherein, ultraviolet wavelength is 100 ~ 400nm, and visible wavelength is 380 ~ 780nm, and Infrared wavelength is 760nm ~ 1000um.
In enforcement, the infrared composition of black matrix material that can be saturating comprises photo-curing material, light trigger, pigment and solvent etc.Make comprise black matrix material that photo-curing material, light trigger, pigment and solvent infrared can be saturating time, the proportion of each composition below can be adopted: wherein solvent accounts for the 15-40wt% of gross weight; Photo-curing material is acrylic monomers or its oligomer, accounts for gross weight than being 15-35wt%; Light initiator accounts for gross weight than being 1-8wt%, and light initiator can be 1-hydroxy-cyclohexyl-phenyl-one, 2-hydroxy-2-methyl-1-phenyl-propane-1-ketone, diphenylketone etc.; Pigment includes red pigment, viridine green and blue pigment, makes material under visible wavelength range, has extremely low transmittance, wherein, red pigment accounts for gross weight than being 25-40wt%, and viridine green accounts for gross weight than being 5-15wt%, and it is 10-25wt% that blue pigment accounts for gross weight ratio.
It should be noted that; above-mentioned preparation infrared can be saturating the composition of black matrix material and the proportion of various composition just illustrating of infrared black matrix material that can be saturating is made to the embodiment of the present invention; the embodiment of the present invention is not limited to above-mentioned method for the infrared method for making of black matrix material that can be saturating of protection, and any method that can make infrared black matrix material that can be saturating is all applicable to the present invention.
Optionally, described light conversion material layer adopts infrared quantum point.
In the embodiment of the present invention, light conversion material layer adopts infrared quantum point, and the effect of infrared quantum point is excited by ultraviolet to be converted into infrared ray.Ultraviolet in natural light, when first substrate is irradiated to light conversion material layer, excites and is converted into infrared ray by the ambient light in the embodiment of the present invention, makes visible ray, extraneous infrared ray and excites the infrared ray transforming and obtain through light conversion material layer.
In enforcement, infrared quantum point is that one or more adopting in CdS (cadmium sulfide), CdSe (cadmium selenide), CdTe (cadmium telluride), ZnSe (zinc selenide), ZnS (zinc sulphide), AgS (silver sulfide) etc. are prepared from; Further, when preparing infrared quantum point, need to make the excitation wavelength of infrared quantum point be 100-400nm, emission wavelength is 900-1400nm.Such as, when adopting CdTe material to prepare quantum dot, the particle size range controlling quantum dot is needed to be 5.0-15.0nm; When adopting CdSe doped ZnS material to prepare quantum dot, the particle size range controlling quantum dot is needed to be 5.0-15.0nm; When adopting CdSe doped ZnS e material to prepare quantum dot, the particle size range controlling quantum dot is needed to be 5.0-15.0nm; When adopting AgS material to prepare quantum dot, the particle size range controlling quantum dot is needed to be 7.0-20.0nm.
It should be noted that; above-mentioned composition and method illustrating just to embodiment of the present invention making infrared quantum point of preparing infrared quantum point; the embodiment of the present invention is not limited to above-mentioned method for the method for making of the infrared quantum point of protection, and any method that can make infrared quantum point is all applicable to the present invention.
The embodiment of the present invention also provides a kind of display device, and this display device comprises the display panel of the embodiment of the present invention, and other structures are same as the prior art, do not repeat them here.
The embodiment of the present invention also provides a kind of method detecting uitraviolet intensity, and the method for this detection uitraviolet intensity needs the display panel utilizing the embodiment of the present invention.As shown in Figure 7, a kind of method detecting uitraviolet intensity of the embodiment of the present invention, comprising:
Step 701, determines the first electrical signal intensity of the first photoinduction unit generation and the second electrical signal intensity of the second photoinduction unit generation in detecting unit;
Step 702, the second electrical signal intensity that the first electrical signal intensity produced according to described first photoinduction unit and described second photoinduction unit produce, determines uitraviolet intensity value.
Due to the embodiment of the present invention, to be irradiated to the first photoinduction unit different with the light intensity of the second photoinduction unit, therefore the first electrical signal intensity produced is different from the second electrical signal intensity, according to the difference determination uitraviolet intensity value of the first electrical signal intensity and the second electrical signal intensity, thus uitraviolet intensity value accurately detected.
In the embodiment of the present invention, to adopt display panel as shown in Figure 4, illustrate that the embodiment of the present invention detects the method for uitraviolet intensity.
Optionally, the first electrical signal intensity is determined according to following manner.
Determine that extraneous light is irradiated on the first photoinduction unit after light filtering layer, the first electrical signal intensity that the first photoinduction unit produces.
Because the embodiment of the present invention is irradiated to the light being through light filtering layer on the first photoinduction unit, light produces the first electric signal after being irradiated to the first photoinduction unit, and send signal processing unit to, thus obtain the first electrical signal intensity, realize the function detecting uitraviolet intensity.
In the embodiment of the present invention, in the first light-sensitive area, extraneous light is injected from first substrate, through by the infrared light filtering layer made of black matrix that can be saturating, ultraviolet and visible ray are filtered, and only have infrared ray to pass light filtering layer, be irradiated on the first photoinduction unit, produce the first electric signal, this first electric signal is sent to signal processing unit by data line by the first photoinduction unit, and signal processing unit detects this first electrical signal intensity value.
Optionally, the second electrical signal intensity is determined according to following manner.
Determine that extraneous light is irradiated on the second photoinduction unit successively after light-converting material, light filtering layer, the second electrical signal intensity that the second photoinduction unit produces.
Because the embodiment of the present invention is irradiated to the light being through light conversion material layer and light filtering layer on the second photoinduction unit, light produces the second electric signal after being irradiated to the second photoinduction unit, and send signal processing unit to, thus obtain the second electrical signal intensity, realize the function detecting uitraviolet intensity.
In the embodiment of the present invention, in the second light-sensitive area, extraneous light is injected from first substrate, after the light-converting material be made up of infrared quantum point, ultraviolet is excited and is converted into infrared ray, after by the infrared light filtering layer made of black matrix that can be saturating, visible ray is filtered, the infrared ray that extraneous infrared ray and ultraviolet transform is through light filtering layer, be irradiated on the second photoinduction unit, produce the second electric signal, this second electric signal is sent to signal processing unit by data line by the second photoinduction unit, signal processing unit detects this second electrical signal intensity value.
In enforcement, because the light being irradiated to the first photoinduction unit only has extraneous infrared ray, and the light being irradiated to the second photoinduction unit comprises the infrared ray of extraneous infrared ray and ultraviolet conversion, therefore be irradiated to the first photoinduction unit different with the light intensity of the second photoinduction unit, and the light intensity difference being irradiated to the first photoinduction unit and the second photoinduction unit is uitraviolet intensity.
In the embodiment of the present invention, the second electrical signal intensity that the first electrical signal intensity produced according to the first photoinduction unit in detecting unit and the second photoinduction unit produce, determines the difference of the first electrical signal intensity and the second electrical signal intensity.
Different according to the number of detecting unit in display panel below, point situation illustrates the defining method of uitraviolet intensity value.
One, in display panel, detecting unit is one.
In the embodiment of the present invention, if detecting unit is one in display panel, then using the difference of first electrical signal intensity determining and the second electrical signal intensity as uitraviolet intensity value.As shown in Figure 1, detecting unit 101 is only had in display panel, wherein detecting unit 101 comprises the first photoinduction unit and the second photoinduction unit, and the first photoinduction unit produces the first electric signal through extraneous infrared radiation, and this first electric signal is sent to signal processing unit; The infrared radiation that second photoinduction unit transforms through extraneous infrared ray and ultraviolet produces the second electric signal, and this second electric signal is sent to signal processing unit; Signal processing unit determines the difference of the first electric signal and the second electric signal, then this difference is uitraviolet intensity value.
Two, in display panel, detecting unit is multiple.
In the embodiment of the present invention, if detecting unit is multiple in display panel, then the difference of multiple first electrical signal intensity determined and the second electrical signal intensity is averaged and obtain uitraviolet intensity value.As shown in Figure 2, three detecting units in display panel, be respectively detecting unit 201, detecting unit 202 and detecting unit 203, each detecting unit includes the first photoinduction unit and the second photoinduction unit, first photoinduction unit produces the first electric signal through extraneous infrared radiation, and this first electric signal is sent to signal processing unit; The infrared radiation that second photoinduction unit transforms through extraneous infrared ray and ultraviolet produces the second electric signal, and this second electric signal is sent to signal processing unit, signal processing unit determines the difference of the first electric signal and the second electric signal produced in same detecting unit; Obtain three differences are averaged by signal processing unit, then this mean value is uitraviolet intensity value.
Because embodiment of the present invention detecting unit can be one or more, when detecting unit is multiple, the difference of multiple first electrical signal intensity obtained and the second electrical signal intensity is averaged, using the mean value of difference as uitraviolet intensity value, thus improve the accuracy detecting uitraviolet intensity.
As shown in Figure 8, for the embodiment of the present invention detects the overall flow figure of uitraviolet intensity method.
Step 801, determines the first electrical signal intensity that in detecting unit, the first photoinduction unit produces;
Step 802, determines the second electrical signal intensity that in detecting unit, the second photoinduction unit produces;
Step 803, determines the difference of the first electrical signal intensity and the second electrical signal intensity;
Step 804, judges whether detecting unit number is one, if so, performs step 805, if not, performs step 806;
Step 805, using the difference of the first electrical signal intensity of determining and the second electrical signal intensity as uitraviolet intensity value;
Step 806, averages the difference of multiple first electrical signal intensity determined and the second electrical signal intensity, using the mean value of difference as uitraviolet intensity value.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (11)
1. a display panel, is characterized in that, comprises the first substrate and second substrate that are oppositely arranged, is arranged on the multiple pixel cell on described second substrate and at least one detecting unit, and signal processing unit;
Wherein each described detecting unit comprises the first photoinduction unit and the second photoinduction unit, and described photoinduction unit is used for the light signal received to be converted into electric signal;
The region that described first substrate light emission side covers described first photoinduction unit and the second photoinduction unit on the surface arranges light filtering layer, and the region covering described second photoinduction unit also arranges light-converting material, wherein, described light-converting material is between described first substrate and light filtering layer;
Described signal processing unit, the intensity of the second electric signal that intensity and described second photoinduction unit for the first electric signal according to described first photoinduction unit generation produce, determines uitraviolet intensity value.
2. display panel as claimed in claim 1, it is characterized in that, described photoinduction unit is photoinduction thin film transistor (TFT), and the thin film transistor (TFT) of described photoinduction thin film transistor (TFT) and described pixel cell is arranged with layer.
3. display panel as claimed in claim 1, it is characterized in that, in described detecting unit, the first photoinduction unit and the second photoinduction unit lay respectively at two adjacent blue subpixel areas.
4. display panel as claimed in claim 1, is characterized in that, described smooth filtering layer adopts infrared black matrix material that can be saturating to make.
5. display panel as claimed in claim 1, is characterized in that, described light conversion material layer adopts infrared quantum point.
6. display panel as claimed in claim 1, is characterized in that, described signal processing unit, specifically for:
The second electrical signal intensity that the first electrical signal intensity produced according to the first photoinduction unit described in detecting unit and the second photoinduction unit produce, determines the difference of described first electrical signal intensity and the second electrical signal intensity;
If described detecting unit is one, then using described difference as uitraviolet intensity value;
If described detecting unit is multiple, then the multiple described difference determined is averaged and obtain uitraviolet intensity value.
7. a display device, is characterized in that, comprises the display panel as described in any one of claim 1 ~ 6.
8. utilize the display panel described in any one of claim 1 ~ 6 to detect a method for uitraviolet intensity, it is characterized in that, the method comprises:
Determine the first electrical signal intensity of the first photoinduction unit generation and the second electrical signal intensity of the second photoinduction unit generation in detecting unit;
The second electrical signal intensity that the first electrical signal intensity produced according to described first photoinduction unit and described second photoinduction unit produce, determines uitraviolet intensity value.
9. method as claimed in claim 8, is characterized in that, described the first electrical signal intensity determining that in detecting unit, the first photoinduction unit produces, comprising:
Determine that extraneous light is irradiated on the first photoinduction unit after light filtering layer, the first electrical signal intensity that described first photoinduction unit produces.
10. method as claimed in claim 8, is characterized in that, described the second electrical signal intensity determining that in detecting unit, the second photoinduction unit produces, comprising:
Determine that extraneous light is irradiated on the second photoinduction unit successively after light-converting material, light filtering layer, the second electrical signal intensity that described second photoinduction unit produces.
11. methods as claimed in claim 8, is characterized in that, the second electrical signal intensity that the first electrical signal intensity produced according to described first photoinduction unit and described second photoinduction unit produce, and determine uitraviolet intensity value, comprising:
The second electrical signal intensity that the first electrical signal intensity produced according to the first photoinduction unit in detecting unit and the second photoinduction unit produce, determines the difference of described first electrical signal intensity and the second electrical signal intensity;
If described detecting unit is one, then using described difference as uitraviolet intensity value;
If described detecting unit is multiple, then the multiple described difference determined is averaged and obtain uitraviolet intensity value.
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| CN106529513A (en) * | 2016-12-20 | 2017-03-22 | 北京小米移动软件有限公司 | Color filter substrate, display module and electronic equipment |
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| CN108550607A (en) * | 2018-05-04 | 2018-09-18 | 京东方科技集团股份有限公司 | A kind of display panel, display device and its package detecting method |
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