CN105241547B - A kind of display panel, display device and the method for detecting uitraviolet intensity - Google Patents
A kind of display panel, display device and the method for detecting uitraviolet intensity Download PDFInfo
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Abstract
The present invention relates to display technology field, more particularly to a kind of display panel, display device and the method for detecting uitraviolet intensity, to solve the problems, such as that the function of detecting ultraviolet light in the prior art is difficult to apply to Miniaturized portable equipment.A kind of display panel in the embodiment of the present invention, including the first substrate and second substrate being oppositely arranged, at least one detection unit and the signal processing unit being arranged on second substrate；Wherein detection unit includes the first photoinduction unit and the second photoinduction unit；The region of first substrate light extraction side surface overlying lid the first photoinduction unit and the second photoinduction unit sets light filter layer, and the region for covering the second photoinduction unit also sets up light conversion material；Signal processing unit is used for according to the intensity of the first electric signal and the intensity of the second electric signal, determines uitraviolet intensity value.Since the detection unit and signal processing unit of detection uitraviolet intensity are respectively positioned on inside display panel, so as to be applied to Miniaturized portable equipment.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display panel, display device and detection uitraviolet intensity
Method.
Background technology
In recent years, the mankind pay close attention to own health problem further.When outgoing, people often go to pay close attention to extraneous sunlight
Ultraviolet index, to carry out the injury that ultraviolet light is taken precautions against in corresponding measure.
With the development of science and technology it is had become using mobile equipment as essential one in people's daily life and work
Divide, the ultraviolet index of extraneous sunlight can be obtained whenever and wherever possible in order to facilitate people, the prior art increases on the mobile apparatus
Function of detecting ultraviolet light is added, such as in display panel optical sensor has been set to detect the current signal of different-waveband, and passed through
Uitraviolet intensity is calculated in processing, but the detection method is easily influenced by ambient light, and optical sensor need to be placed in outside sealant, because
This is difficult to narrow frame or Rimless Miniaturized portable equipment.
To sum up, detection ultraviolet light function is difficult to apply to Miniaturized portable equipment at present.
The content of the invention
The present invention provides a kind of display panel, display device and the method for detecting uitraviolet intensity, to solve existing skill
The problem of function of detection ultraviolet light is difficult to apply to Miniaturized portable equipment in art.
Based on the above problem, a kind of display panel provided in an embodiment of the present invention, including the first substrate that is oppositely arranged and
Second substrate, the multiple pixel units being arranged on the second substrate and at least one detection unit and signal processing list
Member；
Wherein each detection unit includes the first photoinduction unit and the second photoinduction unit, the photoinduction unit
For the optical signal received to be converted into electric signal；
The region of first photoinduction unit and the second photoinduction unit described in the first substrate light extraction side surface overlying lid
Light filter layer is set, and the region for covering the second photoinduction unit also sets up light conversion material, wherein, the light converts material
Material position is between the first substrate and light filter layer；
The signal processing unit, for the intensity of the first electric signal generated according to the first photoinduction unit and institute
The intensity of the second electric signal of the second photoinduction unit generation is stated, determines uitraviolet intensity value.
Optionally, the photoinduction unit is photoinduction thin film transistor (TFT), and the photoinduction thin film transistor (TFT) and institute
The thin film transistor (TFT) for stating pixel unit is set with layer.
Optionally, the first photoinduction unit and the second photoinduction unit are located at adjacent two respectively in the detection unit
Blue subpixel areas.
Optionally, the smooth filter layer is made of infrared black matrix material that can be saturating.
Optionally, the light conversion material layer uses infrared quantum point.
Optionally, the signal processing unit, is specifically used for：
The first electrical signal intensity and the second photoinduction unit that the first photoinduction unit according to detection unit generates
The second electrical signal intensity generated determines the difference of first electrical signal intensity and the second electrical signal intensity；
If the detection unit is one, using the difference as uitraviolet intensity value；
If the detection unit is multiple, definite multiple differences are averaged to obtain uitraviolet intensity value.
The embodiment of the present invention provides a kind of display device, including display panel described in any one of the above embodiments.
The embodiment of the present invention provides a kind of method for detecting uitraviolet intensity, including：
Determine the first electrical signal intensity and the generation of the second photoinduction unit that the first photoinduction unit generates in detection unit
The second electrical signal intensity；
What the first electrical signal intensity generated according to the first photoinduction unit and the second photoinduction unit generated
Second electrical signal intensity determines uitraviolet intensity value.
Optionally, the first electrical signal intensity that the first photoinduction unit generates in the definite detection unit, including：
Determine that ambient is irradiated to after light filter layer on the first photoinduction unit, the first photoinduction unit production
The first raw electrical signal intensity.
Optionally, the second electrical signal intensity that the second photoinduction unit generates in the definite detection unit, including：
Determine that ambient is irradiated on the second photoinduction unit after light conversion material, light filter layer successively, it is described
The second electrical signal intensity that second photoinduction unit generates.
Optionally, according to the first electrical signal intensity of the first photoinduction unit generation and the second photoinduction unit
The second electrical signal intensity generated, determines uitraviolet intensity value, including：
The first electrical signal intensity generated according to the first photoinduction unit in detection unit and the second photoinduction unit generate
The second electrical signal intensity, determine the difference of first electrical signal intensity and the second electrical signal intensity；
If the detection unit is one, using the difference as uitraviolet intensity value；
If the detection unit is multiple, definite multiple differences are averaged to obtain uitraviolet intensity value.
Display panel in the embodiment of the present invention is provided at least one detection unit on second substrate, each inspection
Surveying unit includes the first photoinduction unit and the second photoinduction unit, and the first electric signal and the second telecommunications are generated after light irradiation
Number, due to being provided with different layer structures on the first substrate of the first photoinduction unit of covering and the second photoinduction unit,
The light intensity for being irradiated to the first photoinduction unit and the second photoinduction unit also differs, so as to according to the first electric signal and the
The difference of two electric signals determines uitraviolet intensity value, due to the detection unit and signal processing unit of the detection uitraviolet intensity
It is respectively positioned on inside display panel, so as to be applied to Miniaturized portable equipment.
Description of the drawings
Fig. 1 is a kind of structure diagram one of display panel of the embodiment of the present invention；
Fig. 2 is a kind of structure diagram two of display panel of the embodiment of the present invention；
Fig. 3 is the position view of detection unit of the embodiment of the present invention；
Fig. 4 is a kind of internal structure schematic diagram of display panel of the embodiment of the present invention；
Fig. 5 is the connection diagram of photoinduction thin-film transistor and thin-film transistor of the embodiment of the present invention；
Fig. 6 filters layer material transmitance schematic diagram for light of the embodiment of the present invention；
Fig. 7 is a kind of flow chart for detecting uitraviolet intensity method of the embodiment of the present invention；
Fig. 8 is a kind of overall flow figure for detecting uitraviolet intensity method of the embodiment of the present invention.
Specific embodiment
The display panel of the embodiment of the present invention includes the first substrate and second substrate that are oppositely arranged, is arranged on described second
Multiple pixel units and at least one detection unit and signal processing unit on substrate；Wherein each detection unit
Including the first photoinduction unit and the second photoinduction unit, the photoinduction unit is used to the optical signal received being converted into electricity
Signal；The region of first photoinduction unit and the second photoinduction unit described in the first substrate light extraction side surface overlying lid is set
Light filter layer, and the region for covering the second photoinduction unit also sets up light conversion material, wherein, the light conversion material position
Between the first substrate and light filter layer；The signal processing unit, for being generated according to the first photoinduction unit
The first electric signal intensity and the second photoinduction unit generate the second electric signal intensity, determine uitraviolet intensity
Value.
Due to being provided at least one detection unit on the second substrate of display panel of the embodiment of the present invention, each detection
Unit includes the first photoinduction unit and the second photoinduction unit, and the first electric signal and the second telecommunications are generated after light irradiation
Number, due to being provided with different layer structures on the first substrate of the first photoinduction unit of covering and the second photoinduction unit,
The light intensity for being irradiated to the first photoinduction unit and the second photoinduction unit also differs, so as to according to the first electric signal and the
The difference of two electric signals determines uitraviolet intensity value.
The embodiment of the present invention is described in further detail with reference to Figure of description.
The display panel of the embodiment of the present invention includes one or more detection units and signal processing unit, signal processing list
Member is located on pcb board, and plurality of detection unit is connected respectively by data cable with signal processing unit.Wherein, signal processing
Unit is used for the first electrical signal intensity and the second photoinduction unit that the first photoinduction unit according to detection unit generates
The second electrical signal intensity generated determines the difference of first electrical signal intensity and the second electrical signal intensity；If the detection
Unit is one, then using the difference as uitraviolet intensity value；If the detection unit is multiple, by definite multiple institutes
Difference is stated to be averaged to obtain uitraviolet intensity value.
Different below according to the number of detection unit, point situation illustrates the detection method of uitraviolet intensity value.
First, detection unit is one inside display panel.
In the embodiment of the present invention, if detection unit is one inside display panel, signal processing unit is calculated
An electric signal difference as uitraviolet intensity value.As shown in Figure 1, a kind of structure of display panel of the embodiment of the present invention is shown
It is intended to, including a detection unit 101, signal processing unit 102, wherein signal processing unit 102 are located on pcb board 103.It is real
Shi Zhong, the second electricity that the first electric signal and the second photoinduction unit that detection unit 101 generates the first photoinduction unit generate
For signal transmission to signal processing unit 102, the first electric signal of the generation of detection unit 101 is calculated in signal processing unit 102
With the difference of the second electric signal, then this difference is uitraviolet intensity value.
2nd, detection unit is multiple inside display panel.
In the embodiment of the present invention, if detection unit is multiple inside display panel, signal processing unit is calculated
Multiple electric signal differences be averaged, using the average value as uitraviolet intensity value.As shown in Fig. 2, the embodiment of the present invention
A kind of structure diagram of display panel is respectively detection unit 201, detection unit 202 and detection including three detection units
Unit 203；Signal processing unit 204, wherein signal processing unit 204 are located on pcb board 205.In implementation, detection unit 201
By the first electric signal of generation and the second electric signal transmission to signal processing unit 204, inspection is calculated in signal processing unit 204
Survey the first electric signal of the generation of unit 201 and the difference of the second electric signal；Detection unit 202 is by the first electric signal of generation and
For two electric signal transmissions to signal processing unit 204, the first electricity of the generation of detection unit 202 is calculated in signal processing unit 204
The difference of signal and the second electric signal；Detection unit 203 by the first electric signal of generation and the second electric signal transmission to signal at
Unit 204 is managed, the first electric signal of the generation of detection unit 203 and the difference of the second electric signal is calculated in signal processing unit 204
Value；Obtain three differences are averaged by signal processing unit, which is uitraviolet intensity value.
Since detection unit of the embodiment of the present invention can be one or more, when detection unit is multiple, by what is obtained
The difference of multiple first electrical signal intensities and the second electrical signal intensity is averaged, using the average value of difference as uitraviolet intensity
Value, so as to improve the accuracy of detection uitraviolet intensity.
Optionally, the first photoinduction unit and the second photoinduction unit are located at two adjacent bluenesss respectively in detection unit
Subpixel area.
Since the first photoinduction unit in the detection unit of the embodiment of the present invention and the second photoinduction unit are located at phase respectively
Two adjacent blue subpixel areas, the first photoinduction unit and the second photoinduction unit are located in adjacent sub-pixel respectively,
It can ensure that the ambient intensity in region residing for the first photoinduction unit and the second photoinduction is identical, so that detect
Uitraviolet intensity is more accurate.Photoinduction unit is located at blue subpixel areas, reduces the shadow to display effect to greatest extent
It rings, so as to improve the display quality of display panel.
In the embodiment of the present invention, for each detection unit, including the first photoinduction unit and the second photoinduction unit,
Wherein the first photoinduction unit and the second photoinduction unit are located in two adjacent blue subpixels respectively, as shown in figure 3, the
One photoinduction unit 301 is located at the A1 regions of blue subpixels, and the second photoinduction unit 302 is located at the A2 areas of blue subpixels
Domain.
Optionally, photoinduction unit is photoinduction thin film transistor (TFT), and the photoinduction thin film transistor (TFT) and the picture
The thin film transistor (TFT) of plain unit is set with layer.
Since photoinduction unit of the embodiment of the present invention is preferably photoinduction thin film transistor (TFT), and photoinduction thin film transistor (TFT)
It is set with the thin film transistor (TFT) of pixel unit with layer, reduces the display area area that photoinduction unit occupies to greatest extent, from
And reduce the influence to 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 set
It is set on second substrate, and with the thin film transistor (TFT) of pixel unit with layer.As shown in figure 4, one kind of the embodiment of the present invention is shown
Show the internal structure schematic diagram of panel, including first substrate 401, second substrate 402, first be arranged on second substrate 402
403 and second photoinduction thin film transistor (TFT) 404 of photoinduction thin film transistor (TFT) is arranged at the covering of 401 light extraction side surface of first substrate
It the light filter layer 405 in 404 region of the first photoinduction thin film transistor (TFT) 403 and the second photoinduction thin film transistor (TFT) and is arranged at
401 light extraction side surface of first substrate covers the light conversion material layer 406 in 404 region of the second photoinduction thin film transistor (TFT), wherein light
Transition material layer 406 is between first substrate 401 and light filter layer 405.
In the embodiment of the present invention, the connection mode of photoinduction thin-film transistor and thin-film transistor is as shown in figure 5, pixel list
The thin film transistor (TFT) 501 of member is that same layer is set in display panel with photoinduction thin film transistor (TFT) 502, wherein, photoinduction film
502 one end of transistor is connected with grid line, and the data cable connection of the other end and transmission telecommunications number generates photoinduction thin film transistor (TFT)
Electric signal pass through the data line transfer of transmission telecommunications number to signal processing unit.
It should be noted that a kind of internal structure schematic diagram of display panel of the embodiments of the present invention is simply to this hair
When bright embodiment photoinduction unit is preferably photoinduction thin film transistor (TFT), display panel it is internal structure for example, this hair
The internal structure of bright embodiment display panel to be protected is not limited to the internal structure for the display panel that the example above illustrates.
Optionally, light filter layer is made of infrared black matrix material that can be saturating.
Since in the embodiment of the present invention, using infrared black matrix material that can be saturating as light filter layer, extraneous natural light passes through
The light filter layer made of infrared black matrix material that can be saturating is crossed, only infrared ray can pass through light filter layer, other light
Stopped by light filter layer.
In the embodiment of the present invention, light filter layer is made of infrared black matrix material that can be saturating, the infrared black square that can be thoroughly
Battle array material transmitance as shown in fig. 6, the infrared black matrix material that can be saturating Uv and visible light region transmitance almost
For 0, and in infrared region, especially there is very high transmitance in more than 900nm, therefore, the infrared black matrix material that can be saturating
Material can filter ultraviolet light and visible ray well, and infrared ray is passed through.Wherein, ultraviolet wavelength for 100~
400nm, it is seen that a length of 380~780nm of light wave, a length of 760nm~1000um of infrared wave.
In implementation, the composition of infrared black matrix material that can be saturating includes photo-curing material, photoinitiator, pigment and solvent
Deng.Make include photo-curing material, photoinitiator, pigment and solvent it is infrared can be saturating black matrix material when, may be employed
The proportion of following each ingredient：Wherein solvent accounts for the 15-40wt% of gross weight；Photo-curing material is acrylic monomers or its is oligomeric
Object accounts for gross weight ratio as 15-35wt%；Light initiator accounts for gross weight ratio as 1-8wt%, light initiator can be 1- hydroxy-cyciohexyls-
Phenyl ketone, 2- hydroxy-2-methyl -1- phenyl-propane -1- ketone, diphenylketone etc.；Pigment includes red pigment, viridine green
And blue pigment, make material under visible wavelength range, there is extremely low light transmittance, wherein, red pigment accounts for gross weight ratio
For 25-40wt%, viridine green accounts for gross weight ratio as 5-15wt%, and blue pigment accounts for gross weight ratio as 10-25wt%.
It should be noted that the proportion of the above-mentioned composition for preparing infrared black matrix material that can be saturating and various compositions is
Infrared can be saturating black matrix material is made to the embodiment of the present invention for example, the embodiment of the present invention to be protected it is infrared can be saturating
The production method of black matrix material be not limited to above-mentioned method, any method that can make infrared black matrix material that can be saturating
It is suitable for the present invention.
Optionally, the light conversion material layer uses infrared quantum point.
In the embodiment of the present invention, light conversion material layer uses infrared quantum point, and the effect of infrared quantum point is to swash ultraviolet light
Hair is converted into infrared ray.When ambient light in the embodiment of the present invention is irradiated to light conversion material layer through first substrate, by natural light
In ultraviolet light excitation be converted into infrared ray, the infrared ray that visible ray, extraneous infrared ray and excitation conversion obtain is made to pass through light
Transition material layer.
In implementation, infrared quantum point is using CdS (cadmium sulfide), CdSe (cadmium selenide), CdTe (cadmium telluride), ZnSe (selenium
Change zinc), ZnS (zinc sulphide), one or more of AgS (silver sulfide) etc. be prepared；Also, preparing infrared quantum point
When, it is necessary to make infrared quantum point excitation wavelength be 100-400nm, launch wavelength 900-1400nm.For example, when using CdTe
, it is necessary to which the particle size range for controlling quantum dot is 5.0-15.0nm during material preparation quantum dot；When using CdSe doping ZnS material systems
, it is necessary to which the particle size range for controlling quantum dot is 5.0-15.0nm during standby quantum dot；When using CdSe doping ZnSe material preparation amounts
, it is necessary to which the particle size range for controlling quantum dot is 5.0-15.0nm during son point；When use AgS material preparation quantum dots, it is necessary to control
The particle size range of quantum dot processed is 7.0-20.0nm.
It should be noted that the above-mentioned composition for preparing infrared quantum point and method are simply red to making of the embodiment of the present invention
Outer quantum dot for example, the production method of the infrared quantum to be protected point of the embodiment of the present invention is not limited to above-mentioned method,
Any method that can make infrared quantum point is suitable for the present invention.
The embodiment of the present invention also provides a kind of display device, which includes the display panel of the embodiment of the present invention,
Other structures are same as the prior art, and details are not described herein.
The embodiment of the present invention also provides a kind of method for detecting uitraviolet intensity, and the method for the detection uitraviolet intensity needs
Utilize the display panel of the embodiment of the present invention.As shown in fig. 7, a kind of method for detecting uitraviolet intensity of the embodiment of the present invention, bag
It includes：
Step 701, the first electrical signal intensity and the second photoinduction that the first photoinduction unit generates in detection unit are determined
The second electrical signal intensity that unit generates；
Step 702, according to the first electrical signal intensity of the first photoinduction unit generation and the second photoinduction list
The second electrical signal intensity that member generates, determines uitraviolet intensity value.
Since the light intensity that the embodiment of the present invention is irradiated to the first photoinduction unit and the second photoinduction unit is different, because
The first electrical signal intensity that this is generated is different from the second electrical signal intensity, according to the first electrical signal intensity and the second electrical signal intensity
Difference determine uitraviolet intensity value, so as to accurately detecting uitraviolet intensity value.
In the embodiment of the present invention, by ultraviolet using exemplified by display panel as shown in Figure 4, illustrating that the embodiment of the present invention detects
The method of line strength.
Optionally, the first electrical signal intensity is determined according to following manner.
Determine that ambient is irradiated to after light filter layer on the first photoinduction unit, what the first photoinduction unit generated
First electrical signal intensity.
It is by the light of light filter layer, light irradiation since the embodiment of the present invention is irradiated on the first photoinduction unit
The first electric signal is generated after to the first photoinduction unit, and sends signal processing unit to, so as to obtain the first electrical signal intensity,
Realize the function of detection uitraviolet intensity.
In the embodiment of the present invention, in the first light-sensitive area, ambient from first substrate inject, by by it is infrared can be saturating
Black matrix made of light filter layer, ultraviolet light and visible ray filtered, only infrared ray pass through light filter layer, be irradiated to first
On photoinduction unit, the first electric signal is generated, which is sent to signal by the first photoinduction unit by data cable
Processing unit, signal processing unit detect the first electrical signal intensity value.
Optionally, the second electrical signal intensity is determined according to following manner.
Determine that ambient is irradiated on the second photoinduction unit after light conversion material, light filter layer successively, second
The second electrical signal intensity that photoinduction unit generates.
It is by light conversion material layer and light filter layer since the embodiment of the present invention is irradiated on the second photoinduction unit
Light, light generates the second electric signal after being irradiated to the second photoinduction unit, and sends signal processing unit to, so as to obtain
Second electrical signal intensity realizes the function of detection uitraviolet intensity.
In the embodiment of the present invention, in the second light-sensitive area, ambient is injected from first substrate, by by infrared quantum
After light conversion material made of point, ultraviolet light, which is excited, is converted into infrared ray, by made of infrared black matrix that can be saturating
After light filter layer, it is seen that light is filtered, and the infrared ray of extraneous infrared ray and ultraviolet light conversion is irradiated to second through light filter layer
On photoinduction unit, the second electric signal is generated, which is sent to signal by the second photoinduction unit by data cable
Processing unit, signal processing unit detect the second electrical signal intensity value.
In implementation, since the light for being irradiated to the first photoinduction unit only has extraneous infrared ray, and the second light sensation is irradiated to
Answering the light of unit includes extraneous infrared ray and the infrared ray of ultraviolet light conversion, therefore is irradiated to the first photoinduction unit and second
The light intensity of photoinduction unit is different, and is irradiated to the differential intensity of light of the first photoinduction unit and the second photoinduction unit
Value is uitraviolet intensity.
In the embodiment of the present invention, according to the first electrical signal intensity and second of the first photoinduction unit generation in detection unit
The second electrical signal intensity that photoinduction unit generates determines the difference of the first electrical signal intensity and the second electrical signal intensity.
Different below according to the number of detection unit in display panel, point situation illustrates the definite side of uitraviolet intensity value
Method.
First, detection unit is one in display panel.
It is if detection unit is one in display panel, definite first electric signal is strong in the embodiment of the present invention
The difference of degree and the second electrical signal intensity is as uitraviolet intensity value.As shown in Figure 1, there was only detection unit 101 in display panel,
Wherein detection unit 101 includes the first photoinduction unit and the second photoinduction unit, and the first photoinduction unit is by extraneous infrared
Line irradiation generates the first electric signal, and first electric signal is sent to signal processing unit；Second photoinduction unit is by outer
The infrared radiation of boundary's infrared ray and ultraviolet light conversion generates the second electric signal, and 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 the difference is uitraviolet intensity value.
2nd, detection unit is multiple in display panel.
It is if detection unit is multiple in display panel, definite multiple first electric signals are strong in the embodiment of the present invention
The difference of degree and the second electrical signal intensity is averaged to obtain uitraviolet intensity value.As shown in Fig. 2, three detections in display panel
Unit, is respectively detection unit 201, detection unit 202 and detection unit 203, each detection unit includes the first light sensation
Unit and the second photoinduction unit are answered, the first photoinduction unit generates the first electric signal by extraneous infrared radiation, and should
First electric signal is sent to signal processing unit；Second photoinduction unit is by extraneous infrared ray and the infrared ray of ultraviolet light conversion
Irradiation generates the second electric signal, and second electric signal is sent to signal processing unit, and signal processing unit determines same inspection
Survey the difference of the first electric signal generated in unit and the second electric signal；Obtain three differences are averaged by signal processing unit
Value, then the average value is uitraviolet intensity value.
Since detection unit of the embodiment of the present invention can be one or more, when detection unit is multiple, by what is obtained
The difference of multiple first electrical signal intensities and the second electrical signal intensity is averaged, using the average value of difference as uitraviolet intensity
Value, so as to improve the accuracy of detection uitraviolet intensity.
As shown in figure 8, the overall flow figure of uitraviolet intensity method is detected for the embodiment of the present invention.
Step 801, the first electrical signal intensity that the first photoinduction unit generates in detection unit is determined；
Step 802, the second electrical signal intensity that the second photoinduction unit generates in detection unit is determined；
Step 803, the difference of the first electrical signal intensity and the second electrical signal intensity is determined；
Step 804, judge whether detection unit number is one, if so, step 805 is performed, if it is not, performing step 806；
Step 805, using the difference of definite the first electrical signal intensity and the second electrical signal intensity as uitraviolet intensity value；
Step 806, the difference of definite multiple first electrical signal intensities and the second electrical signal intensity is averaged, by difference
The average value of value is as uitraviolet intensity value.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (9)
1. a kind of display panel, which is characterized in that including the first substrate and second substrate being oppositely arranged, be arranged on described second
Multiple pixel units and at least one detection unit and signal processing unit on substrate；
Wherein each detection unit includes the first photoinduction unit and the second photoinduction unit, and the photoinduction unit is used for
The optical signal received is converted into electric signal；
The region of first photoinduction unit and the second photoinduction unit described in the first substrate light extraction side surface overlying lid is set
Light filter layer, and the region for covering the second photoinduction unit also sets up light conversion material, wherein, the light conversion material position
Between the first substrate and light filter layer；
The signal processing unit, for the intensity and described of the first electric signal generated according to the first photoinduction unit
The intensity for the second electric signal that two photoinduction units generate, determines uitraviolet intensity value；
The smooth filter layer is made of infrared black matrix material that can be saturating；
The light conversion material uses infrared quantum point.
2. display panel as described in claim 1, which is characterized in that the photoinduction unit is photoinduction thin film transistor (TFT),
And the thin film transistor (TFT) of the photoinduction thin film transistor (TFT) and the pixel unit is set with layer.
3. display panel as described in claim 1, which is characterized in that the first photoinduction unit and second in the detection unit
Photoinduction unit is located at two adjacent blue subpixel areas respectively.
4. display panel as described in claim 1, which is characterized in that the signal processing unit is specifically used for：
The first electrical signal intensity and the second photoinduction unit that the first photoinduction unit according to detection unit generates generate
The second electrical signal intensity, determine the difference of first electrical signal intensity and the second electrical signal intensity；
If the detection unit is one, using the difference as uitraviolet intensity value；
If the detection unit is multiple, definite multiple differences are averaged to obtain uitraviolet intensity value.
5. a kind of display device, which is characterized in that including such as Claims 1 to 4 any one of them display panel.
6. a kind of method using 4 any one of them display panel of Claims 1 to 4 detection uitraviolet intensity, feature exists
In this method includes：
It determines the first electrical signal intensity that the first photoinduction unit in detection unit generates and the second photoinduction unit generates the
Two electrical signal intensities；
The first electrical signal intensity generated according to the first photoinduction unit and the second of the second photoinduction unit generation
Electrical signal intensity determines uitraviolet intensity value.
7. method as claimed in claim 6, which is characterized in that the first photoinduction unit generates in the definite detection unit
First electrical signal intensity, including：
Determine that ambient is irradiated to after light filter layer on the first photoinduction unit, what the first photoinduction unit generated
First electrical signal intensity.
8. method as claimed in claim 6, which is characterized in that the second photoinduction unit generates in the definite detection unit
Second electrical signal intensity, including：
Determine that ambient is irradiated on the second photoinduction unit after light conversion material, light filter layer successively, described second
The second electrical signal intensity that photoinduction unit generates.
9. method as claimed in claim 6, which is characterized in that the first electric signal generated according to the first photoinduction unit
The second electrical signal intensity that intensity and the second photoinduction unit generate, determines uitraviolet intensity value, including：
The first electrical signal intensity generated according to the first photoinduction unit in detection unit and the second photoinduction unit generate the
Two electrical signal intensities determine the difference of first electrical signal intensity and the second electrical signal intensity；
If the detection unit is one, using the difference as uitraviolet intensity value；
If the detection unit is multiple, definite multiple differences are averaged to obtain uitraviolet intensity value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510654421.0A CN105241547B (en) | 2015-10-10 | 2015-10-10 | A kind of display panel, display device and the method for detecting uitraviolet intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510654421.0A CN105241547B (en) | 2015-10-10 | 2015-10-10 | A kind of display panel, display device and the method for detecting uitraviolet intensity |
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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 |
| CN106778624A (en) * | 2016-12-20 | 2017-05-31 | 北京小米移动软件有限公司 | Color membrane substrates, display module and electronic equipment |
| CN108550607B (en) * | 2018-05-04 | 2020-07-28 | 京东方科技集团股份有限公司 | Display panel, display device and packaging detection method thereof |
| CN111081157A (en) * | 2019-12-24 | 2020-04-28 | 维沃移动通信有限公司 | Display module, screen assembly, electronic equipment, prompting method and shooting method |
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