CN107195273A - A kind of OLED display device and the method for improving display device display performance - Google Patents

A kind of OLED display device and the method for improving display device display performance Download PDF

Info

Publication number
CN107195273A
CN107195273A CN201610143510.3A CN201610143510A CN107195273A CN 107195273 A CN107195273 A CN 107195273A CN 201610143510 A CN201610143510 A CN 201610143510A CN 107195273 A CN107195273 A CN 107195273A
Authority
CN
China
Prior art keywords
oled display
display device
temperature
voltage
oled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610143510.3A
Other languages
Chinese (zh)
Inventor
王钊
欧阳攀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EverDisplay Optronics Shanghai Co Ltd
Original Assignee
EverDisplay Optronics Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EverDisplay Optronics Shanghai Co Ltd filed Critical EverDisplay Optronics Shanghai Co Ltd
Priority to CN201610143510.3A priority Critical patent/CN107195273A/en
Publication of CN107195273A publication Critical patent/CN107195273A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3258Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of El Displays (AREA)

Abstract

The invention discloses a kind of OLED display device and the method for improvement display device display performance, it is related to display device technical field, by setting temperature sensor in the band of position for closing on OLED display modules, to obtain the real time temperature (i.e. current environmental temperature) that above-mentioned OLED display modules are presently in environment in real time, and the tables of data prestored according to the current environmental temperature of acquisition by comparing in power integration module, to transfer under environment temperature in this prior, OLED display modules are capable of the rated operational voltage of normal work, and will be adjusted to the voltage of the power supply of OLED display modules offer electric energy to the above-mentioned rated operational voltage transferred, to effectively reduce the change of environment temperature to the adverse effect caused by OLED display modules, further improve the display quality and its service life of OLED display device.

Description

A kind of OLED display device and the method for improving display device display performance
Technical field
The present invention relates to display device technical field, more particularly to a kind of OLED display device And improve the method for display device display performance.
Background technology
At present, because Organic Light Emitting Diode is also known as Organic Electricity laser display (Organic Light-Emitting Diode, abbreviation OLED) technology possesses has simple structure, self-luminous not Need backlight, contrast height, thickness of thin, visual angle is wide, reaction speed is fast, available for flexibility The advantages of panel, wide temperature in use scope, therefore OLED display screen is widely used in people In daily various living scenes.
But, when OLED display screen is applied to larger environment (such as wild environment, car of the temperature difference Carry environment etc.) when, the display performance of OLED display screen has certain change.Fig. 1 is In graph of a relation between the driving voltage and variation of ambient temperature of OLED display device, Fig. 1 The longitudinal axis is OLED driving voltage value (V), and transverse axis is environment temperature (DEG C);Such as Fig. 1 institutes Show, the OLED display device based on RGB, with its R, G, B tri- of the rise of temperature The trend gradually reduced, such as ring can be presented in the driving voltage of primary colors with the rise of environment temperature Border temperature is from when rising to 85 DEG C for 40 DEG C, and the range of decrease of the driving voltage of the color of R, G, B tri- all exists More than 0.5V;Especially when the variation of ambient temperature of OLED display device is violent, such as from When changing between -40 DEG C to 85 DEG C, the amplitude of variation of the driving voltage of the color of R, G, B tri- can be More than 5V, and changing excessive driving voltage difference can make to display device body and display effect Into serious adverse effect.
In addition, the rise of environment temperature and OELD display panels (panel) voltage for causing Gradually reduce, the brightness and color that can cause display panel can be by different degrees of shadows Ring, when especially OLED display device is in black state (showing all black), due to OLED VDD&VSS cross-pressures (the VDD&VSS cross-pressures difference=TFT operating voltages+TFT of display device Buffer voltagc (buffer)+OLED operating voltage+OLED buffer voltagcs (buffer)) Cross-pressure is understood on TFT (Thin Film Transistor, thin film transistor (TFT)), and with environment The rising of temperature, OLED voltage can be gradually reduced, and when OLED voltage be reduced to it is small When TFT voltage, OLED will be lit, and then black state is destroyed, The low-light level colour cast of display device can be not only caused, can also cause the display comparison of display device Degradation is spent, and then has a strong impact on the normal work and use of display device.
The content of the invention
For above-mentioned problem, the invention discloses a kind of OLED display device and change The method of kind display device display performance, to overcome OLED display present in prior art The defects such as poor contrast, low-light level colour cast that part is caused when local environment temperature change is excessive, While causing OLED display device to overcome above-mentioned many defects, moreover it is possible to so that OLED Display device can be operated under suitable voltage all the time under different temperature environments, Jin Erti Rise the display performance and its service life of display device.
To achieve these goals, the technical scheme taken of the present invention is:
A kind of OLED display device, including:
Substrate, with viewing area and non-display area;
Multiple OLED display units, are arranged on the viewing area of the substrate;
Cover plate, is covered in the multiple OLED display unit;
Temperature sensor, is arranged on the non-display area of the substrate, to obtain in real time The current environmental temperature of the OLED display unit;And
Power integration module, respectively with the OLED display unit and temperature sensor electricity Connection;Wherein
The power integration module is obtained and adjusted according to the current environmental temperature to described OLED display unit provides the voltage of the power supply of electric energy to corresponding rated operational voltage, so that The OLED display device normal work.
As a preferred embodiment, in above-mentioned OLED display device:
The temperature sensor includes thin-film thermistor and temperature measurement module;
The temperature measurement module is electric with the thin-film thermistor and the power integration module respectively Connection, to be obtained in real time according to the change of the thermistor resistance and send the current environment Temperature is to the power integration module.
As a preferred embodiment, in above-mentioned OLED display device:
The nominal operation electricity of the OLED display modules is prestored in the power integration module Pressure and environment temperature mutually corresponding tables of data;
Wherein, the power integration module according to the current environmental temperature of acquisition from the number According to the rated operational voltage corresponding with the current environmental temperature is transferred in table, by the electricity The voltage in source is adjusted to the rated operational voltage.
As a preferred embodiment, in above-mentioned OLED display device:
The power supply is the VSS power supplys of the OELD display modules.
As a preferred embodiment, in above-mentioned OLED display device:
The power integration module is arranged at the one end of the substrate.
Improve the method for display device display performance present invention also provides a kind of, can be applied to bag On the display device for including OLED display modules, methods described includes:
Obtain the current environmental temperature of the OLED display modules;
According to the current environmental temperature, the OLED is transferred from default tables of data and is shown The rated operational voltage of module in this prior under environment temperature;
The voltage of power supply of the OLED display modules is adjusted to the nominal operation transferred Voltage.
As a preferred embodiment, the above-mentioned method for improving display device display performance is also Including:
In setting temperature sensor on the display device;And
It is pre- in power integration module, and the power integration module in being set on the display device There is the tables of data;
Wherein, the temperature sensor obtains and exports the current environmental temperature to the power Integration module;The power integration module is according to the current environmental temperature of reception, with from institute The rated operational voltage transferred and matched with the current environmental temperature in tables of data is stated, and will be described The voltage of power supply is adjusted to the rated operational voltage.
As a preferred embodiment, above-mentioned improves the method for display device display performance In:
The display device also includes substrate and cover plate, and the substrate has viewing area and non-aobvious Show area;
Wherein, the OLED display modules are arranged on the viewing area of the substrate; The cover plate is covered in the OLED display modules;The temperature sensor is arranged at described On the non-display area of substrate, work as front ring with obtain the OLED display modules in real time Border temperature;And
The power integration module respectively with the OLED display modules and the TEMP Device is electrically connected, to obtain and according to the current environmental temperature, adjust and shown to the OLED Module provides the voltage of the power supply of electric energy to corresponding rated operational voltage.
As a preferred embodiment, above-mentioned improves the method for display device display performance In:
The nominal operation electricity of the OLED display modules is prestored in the power integration module Pressure and environment temperature mutually corresponding tables of data.
As a preferred embodiment, above-mentioned improves the method for display device display performance In:
The power supply is the VSS power supplys of the OELD display modules, the integrated mould of power Block is arranged at the one end of the substrate.
Foregoing invention has the following advantages that or beneficial effect:
OLED display device and improve the method for display device display performance that the application is provided, Mainly by setting temperature sensor in the band of position for closing on OLED display modules, with Real time temperature (the i.e. current environment that above-mentioned OLED display modules are presently in environment is obtained in real time Temperature), and prestored according to the current environmental temperature of acquisition by comparing in power integration module Tables of data, to transfer under environment temperature in this prior, OLED display modules being capable of normal work Rated operational voltage, and will to OLED display modules provide electric energy power supply voltage adjust To the above-mentioned rated operational voltage transferred, and then can effectively it make up due to variation of ambient temperature And the changing value of the OLED display module driving voltages caused so that OLED display modules The voltage that can cause to be applied to power supply thereon in the temperature environment of change is with working as Rated operational voltage corresponding to preceding temperature, i.e. OLED display modules obtain supply voltage with The change of environment temperature and change, and then make it that no matter when and where OLED display modules are equal It can be operated in the range of the normal working voltage that it can bear, to effectively reduce environment temperature The change of degree further improves OLED to the adverse effect caused by OLED display modules The display quality and its service life of display device.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, this hair Bright and its feature, profile and advantage will become more apparent.The identical mark in whole accompanying drawings Note indicates identical part.Accompanying drawing can be drawn to scale, it is preferred that emphasis is this hair is shown Bright purport.
Fig. 1 is the relation between the driving voltage of OLED display device and variation of ambient temperature Figure;
Fig. 2 is the structural representation for the OLED display device that the embodiment of the present invention one is provided;
Fig. 3 be the embodiment of the present invention one provide OLED display device in adjusted according to temperature feedback The modular structure schematic diagram of whole supply voltage;
Fig. 4 is the method for the improvement display device display performance that the embodiment of the present invention two is provided Flow chart.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is further illustrated, still It is not as limiting to the invention.
Embodiment one:
Fig. 2 is the structural representation for the OLED display device that the embodiment of the present invention one is provided, figure 3 be the embodiment of the present invention one provide OLED display device according to temperature feedback adjust power supply The modular structure schematic diagram of voltage;As shown in figures 2-3, a kind of OLED is present embodiments provided Display device, the OLED display device can be applied in the larger environment of temperature change, such as wild Display device, mobile unit of outer operation operation etc., above-mentioned OELD display devices include:
Substrate (such as glass substrate, flexible base board) 1, the substrate 1 is provided with for setting The viewing area (not indicated in figure) of display device structure and for set such as circuit components knot The non-display area (not indicated in figure) of structure.
Multiple OLED display units (not indicated in figure), the plurality of OLED display unit can Think that multiple pixel structure arrays are arranged on the viewing area of substrate 1, and if the OLED is shown Unit is the display unit based on RGB, then includes red in above-mentioned each dot structure (R) sub-pixel, green (G) sub-pixel and blue (B) sub-pixel, and each sub-pixel The device architectures such as negative electrode, organic luminous layer, anode are may each comprise, for launching Need the light of color.
Cover plate 2, can be transparent glass plate, its be covered on above-mentioned OLED display modules it On, together to be sealed OLED display modules with above-mentioned substrate 1, while also right OLED display modules play a part of protection.Certainly, cover plate 2 or flexible layer, its with Substrate 1 is together sealed OLED display unit.
Power integration module (Power IC) 3, may be provided at and close on above-mentioned non-display area The one end of substrate 1, and the power integration module 3 is electrically connected with above-mentioned OLED display modules Connect, to control the power supply (such as VSS, VDD) that electric energy is provided to the OLED display modules Voltage.
Temperature sensor 4, closes on above-mentioned OLED display modules and is arranged on the non-aobvious of substrate 1 Show in region, for gathering the real-time of above-mentioned OLED display module local environments in real time Temperature (i.e. current environmental temperature), and the temperature sensor 4 also with the above-mentioned integrated mould of power Block 3 is electrically connected, and the current environmental temperature of collection is sent into power integration module 3 in real time.
Specifically, above-mentioned temperature sensor 4 gathers OLED display module local environments in real time Current environmental temperature, and the current environmental temperature of collection is fed back into power integration module 3, The power integration module 3 is adjusted further according to the current environmental temperature to be carried to OLED display modules The voltage (such as VSS) of the power supply of power supply energy, and then it is able to ensure that OLED display modules exist The supply voltage that it is loaded under different temperature environments with its in this prior environment temperature In the voltage range for being capable of normal work, effectively to avoid because of variation of ambient temperature and caused by The reduction (such as low-light level colour cast defect) of OLED display device performance so that different temperature Degree environment can ensure that display device has good contrast, further lift display device Service life.
It is preferred that, as shown in figure 3, above-mentioned temperature sensor 4 may include thin-film thermistor And temperature measurement module, i.e., above-mentioned thin-film thermistor can be based on residing for current OLED display modules The change of the temperature of environment and produce the floating in resistance, and temperature measurement module is then according to the floating of resistance Move and generate and feed back current environmental temperature to above-mentioned power integration module, the integrated mould of the power Block adjusts the power supply of OLED display modules further according to the above-mentioned current environmental temperature of acquisition Magnitude of voltage, to cause OLED display modules being capable of normal work under the conditions of current environmental temperature Make.
It is preferred that, in order to accurately adjust OLED display modules energy under different environment temperatures The voltage of the power supply of enough normal works, the approach such as can analyze to obtain previously according to big data OLED display modules are capable of the rated operational voltage of normal work under different environment temperatures, And set up environment temperature and the one-to-one tables of data of rated operational voltage;The tables of data is prestored In above-mentioned power integration module 3, such power integration module 3 just can be in real time according to reception To current environmental temperature transfer corresponding rated operational voltage from the tables of data prestored, and will The voltage that the power supply of electric energy is provided to OLED display modules is adjusted to the rated operational voltage, is entered And OLED display modules are operated under normal working voltage in real time.
It is preferred that, above-mentioned power integration module 3 can also be used to store last temperature sensor The ambient temperature value of feedback and its corresponding load voltage value, when power integration module 3 is obtained again When taking current environmental temperature, the specified electricity corresponding to current environmental temperature can be obtained by tables of data After pressure, compared according to the last ambient temperature value and/or rated operational voltage of its storage It is right, to determine being to cause OLED to obtain electricity by boosting or being depressured or keep the mode such as constant Source voltage (such as VSS) is in normal operating voltage range.For example, in 30 DEG C of ring OLED rated operational voltage is 4.1V during the temperature of border, and its VSS-VDD cross-pressure is set as 6.9V, and when environment temperature is 80 DEG C, because its rated operational voltage is 3V, then now VSS-VDD cross-pressures can be set as 5.9V, you can cause OLED by way of decompression Display module normal work.
It should be noted that said temperature sensor gathers OLED display module local environment temperature The frequency of degree can be set according to real needs, also can be by the amplitude of variation based on temperature come really It is fixed whether the ambient temperature value currently gathered to be reported to power integration module;For example, can set Temperature sensor is at interval of N (N can be 1~30) minutes or uses specific interval time And order carrys out start-up temperature sensor and carries out temperature acquisition, while also may be such that temperature sensor is real When be in the state of work, only when variation of ambient temperature value is more than M (M can be 1~5 etc.) DEG C When just report the ambient temperature value that it is gathered to power integration module.Meanwhile, above-mentioned tables of data Middle ambient temperature value and/or rated operational voltage value can be number range, and same Its rated operational voltage of different sub-pixels may be the same or different in dot structure, specifically can foundation The modes such as big data analysis are set.
Embodiment two
Fig. 4 is the method for the improvement display device display performance that the embodiment of the present invention two is provided Flow chart, as shown in figure 4, the method for improving display device display performance in the present embodiment two can Based on (i.e. embodiment one is with implementing on the basis of the OLED display device structure of above-described embodiment one Can be mutually applicable between identical or corresponding technical characteristic in example two), it can be applied to such as wild Outside, the temperature difference such as vehicle-mounted is changed greatly in the OLED display device in environment, and above-mentioned improvement shows Showing the method for device display performance may include:
First, the Current Temperatures (i.e. current environmental temperature) of the local environment of display device are obtained;
Secondly, according to above-mentioned current environmental temperature, display is transferred from default tables of data Rated operational voltage of the part under the conditions of current environmental temperature;
Finally, adjust to display module (can be equivalent to the OLED display unit in embodiment one) The voltage of power supply of electric energy is provided to above-mentioned rated operational voltage, to cause display device working as Under preceding ambient temperature conditions can normal work, and then effectively avoid display device due to environment The generation of the defect such as low-light level colour cast caused by the change of temperature.
Among actual application, the modes such as test of many times can be first passed through and obtain aforementioned display device part It is capable of the rated operational voltage of normal work under different environment temperatures (i.e. in certain environment In temperature range, display device is capable of the magnitude of voltage of normal work), and such as big number can be based on Environment temperature and display device (such as OLED display device etc.) are set up according to means such as analyses The mutual corresponding tables of data of rated operational voltage.
Then, can be by being provided for collection in real time in the regional extent for close on display unit The temperature sensor of display module, and prestore above-mentioned data in the one end setting of substrate 1 The power integration module (Power IC) of table, the power integration module respectively with above-mentioned temperature Sensor and display unit electrical connection.
Specifically, in actual working environment, display mould can be gathered by temperature sensor The Current Temperatures (i.e. current environmental temperature) of the local environment of group, and power integration module is then obtained Take and transferred according to the current environmental temperature from tables of data corresponding with the current environmental temperature Rated operational voltage;Accordingly, the power integration module will provide electric energy to display module The voltage of power supply is adjusted to above-mentioned rated operational voltage, and such display device just can work as front ring Normal work under conditions of the temperature of border.
It should be noted that because the present embodiment two and above-described embodiment one are mutually corresponding knot Structure and method, therefore the identical or corresponding equal adaptability of technical characteristic referred in embodiment one Be applied in the present embodiment two, and the identical or corresponding technology that is referred in embodiment two is special Being applied in the present embodiment one of equal adaptability is levied, thus it is succinct in order to illustrate, in this example two In or corresponding some technical characteristics identical with above-described embodiment one do not carry out repeating elaboration, But it should be understood by those skilled in the art that when, the technical characteristic described in above-described embodiment one can Adaptability is applied to the technical characteristic in the present embodiment two, should be understood as having in this example two It is described.
In summary, in the embodiment of the present application OLED display device and improvement display device The method of display performance, can be by setting temperature in the band of position for closing on OLED display modules Sensor is spent, to obtain the real time temperature that above-mentioned OLED display modules are presently in environment in real time (i.e. current environmental temperature), and it is integrated by comparing power according to the current environmental temperature of acquisition The tables of data prestored in module, to transfer under environment temperature in this prior, OLED display modules It is capable of the rated operational voltage of normal work, and the electricity for electric energy being provided to OLED display modules The voltage in source is adjusted to the above-mentioned rated operational voltage transferred, so can effectively make up due to Variation of ambient temperature and the changing value of OLED display module driving voltages caused so that OLED display modules be able to can be applied to power supply thereon in the temperature environment of change Voltage be to be obtained with the rated operational voltage corresponding to Current Temperatures, i.e. OLED display modules The supply voltage obtained changes with the change of environment temperature, and then causes no matter when and where OLED display modules can be operated in the range of the normal working voltage that it can bear, with The change of environment temperature is effectively reduced to the adverse effect caused by OLED display modules, is entered One step improves the display quality and its service life of OLED display device.
It should be appreciated by those skilled in the art that those skilled in the art combine prior art and on The change case can be realized by stating embodiment, will not be described here.Such change case not shadow The substantive content of the present invention is rung, be will not be described here.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that of the invention Above-mentioned particular implementation is not limited to, wherein the equipment and structure be not described in detail to the greatest extent should It is interpreted as being practiced with the common mode in this area;It is any to be familiar with those skilled in the art Member, without departing from the scope of the technical proposal of the invention, all using the method for the disclosure above Many possible variations and modification are made to technical solution of the present invention with technology contents, or are revised as The equivalent embodiment of equivalent variations, this has no effect on the substantive content of the present invention.Therefore, it is every Without departing from the content of technical solution of the present invention, the technical spirit according to the present invention is to above example Any simple modifications, equivalents, and modifications done, still fall within technical solution of the present invention guarantor In the range of shield.

Claims (10)

1. a kind of OLED display device, it is characterised in that including:
Substrate, with viewing area and non-display area;
Multiple OLED display units, are arranged on the viewing area of the substrate;
Cover plate, is covered in the multiple OLED display unit;
Temperature sensor, is arranged on the non-display area of the substrate, to obtain in real time The current environmental temperature of the OLED display unit;And
Power integration module, respectively with the OLED display unit and temperature sensor electricity Connection;Wherein
The power integration module is obtained and adjusted according to the current environmental temperature to described OLED display unit provides the voltage of the power supply of electric energy to corresponding rated operational voltage, so that The OLED display device normal work.
2. OLED display device as claimed in claim 1, it is characterised in that the temperature Spending sensor includes thin-film thermistor and temperature measurement module;
The temperature measurement module is electric with the thin-film thermistor and the power integration module respectively Connection, to be obtained in real time according to the change of the thermistor resistance and send the current environment Temperature is to the power integration module.
3. OLED display device as claimed in claim 1, it is characterised in that the work( The rated operational voltage and environment temperature of the OLED display modules are prestored in rate integration module Degree mutually corresponding tables of data;
Wherein, the power integration module according to the current environmental temperature of acquisition from the number According to the rated operational voltage corresponding with the current environmental temperature is transferred in table, by the electricity The voltage in source is adjusted to the rated operational voltage.
4. OLED display device as claimed in claim 3, it is characterised in that the electricity Source is the VSS power supplys of the OELD display modules.
5. OLED display device as claimed in claim 1, it is characterised in that the work( Rate integration module is arranged at the one end of the substrate.
6. a kind of improve the method for display device display performance, it is characterised in that applied to bag On the display device for including OLED display modules, methods described includes:
Obtain the current environmental temperature of the OLED display modules;
According to the current environmental temperature, the OLED is transferred from default tables of data and is shown The rated operational voltage of module in this prior under environment temperature;
The voltage of power supply of the OLED display modules is adjusted to the nominal operation transferred Voltage.
7. improve the method for display device display performance, its feature as claimed in claim 6 It is, methods described also includes:
In setting temperature sensor on the display device;And
It is pre- in power integration module, and the power integration module in being set on the display device There is the tables of data;
Wherein, the temperature sensor obtains and exports the current environmental temperature to the power Integration module;The power integration module is according to the current environmental temperature of reception, with from institute The rated operational voltage transferred and matched with the current environmental temperature in tables of data is stated, and will be described The voltage of power supply is adjusted to the rated operational voltage.
8. improve the method for display device display performance, its feature as claimed in claim 7 It is, the display device also includes substrate and cover plate, and the substrate has viewing area and non- Viewing area;
Wherein, the OLED display modules are arranged on the viewing area of the substrate; The cover plate is covered in the OLED display modules;The temperature sensor is arranged at described On the non-display area of substrate, work as front ring with obtain the OLED display modules in real time Border temperature;And
The power integration module respectively with the OLED display modules and the TEMP Device is electrically connected, to obtain and according to the current environmental temperature, adjust and shown to the OLED Module provides the voltage of the power supply of electric energy to corresponding rated operational voltage.
9. improve the method for display device display performance, its feature as claimed in claim 6 It is, the nominal operation electricity of the OLED display modules is prestored in the power integration module Pressure and environment temperature mutually corresponding tables of data.
10. OLED display device as claimed in claim 6, it is characterised in that the electricity Source is the VSS power supplys of the OELD display modules, and the power integration module is arranged at institute State the one end of substrate.
CN201610143510.3A 2016-03-14 2016-03-14 A kind of OLED display device and the method for improving display device display performance Pending CN107195273A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610143510.3A CN107195273A (en) 2016-03-14 2016-03-14 A kind of OLED display device and the method for improving display device display performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610143510.3A CN107195273A (en) 2016-03-14 2016-03-14 A kind of OLED display device and the method for improving display device display performance

Publications (1)

Publication Number Publication Date
CN107195273A true CN107195273A (en) 2017-09-22

Family

ID=59871249

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610143510.3A Pending CN107195273A (en) 2016-03-14 2016-03-14 A kind of OLED display device and the method for improving display device display performance

Country Status (1)

Country Link
CN (1) CN107195273A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110554792A (en) * 2018-06-04 2019-12-10 北京钛方科技有限责任公司 sensor calibration adjusting device and method
CN111579903A (en) * 2020-05-18 2020-08-25 格力电器(合肥)有限公司 Display module testing tool and testing method
WO2021114286A1 (en) * 2019-12-13 2021-06-17 华为技术有限公司 Control method and apparatus
WO2023092517A1 (en) * 2021-11-27 2023-06-01 华为技术有限公司 Driving apparatus and driving method for led display screen, and led display screen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1819214A (en) * 2005-01-19 2006-08-16 三星电子株式会社 Sensor,thin film transistor array panel including the sensor,And display panel
CN101281305A (en) * 2007-04-04 2008-10-08 三星电子株式会社 Liquid crystal display
CN102222485A (en) * 2011-03-30 2011-10-19 友达光电股份有限公司 Voltage stabilizing circuit module with temperature compensation function
CN102237036A (en) * 2010-05-06 2011-11-09 三星移动显示器株式会社 Organic light emitting display and method of driving the same
CN103383832A (en) * 2012-05-02 2013-11-06 索尼公司 Display device, method of driving display device, and electronic apparatus
CN105070261A (en) * 2015-08-26 2015-11-18 武汉华星光电技术有限公司 Liquid crystal display module group and voltage adjusting method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1819214A (en) * 2005-01-19 2006-08-16 三星电子株式会社 Sensor,thin film transistor array panel including the sensor,And display panel
CN101281305A (en) * 2007-04-04 2008-10-08 三星电子株式会社 Liquid crystal display
CN102237036A (en) * 2010-05-06 2011-11-09 三星移动显示器株式会社 Organic light emitting display and method of driving the same
CN102222485A (en) * 2011-03-30 2011-10-19 友达光电股份有限公司 Voltage stabilizing circuit module with temperature compensation function
CN103383832A (en) * 2012-05-02 2013-11-06 索尼公司 Display device, method of driving display device, and electronic apparatus
CN105070261A (en) * 2015-08-26 2015-11-18 武汉华星光电技术有限公司 Liquid crystal display module group and voltage adjusting method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110554792A (en) * 2018-06-04 2019-12-10 北京钛方科技有限责任公司 sensor calibration adjusting device and method
CN110554792B (en) * 2018-06-04 2021-10-19 北京钛方科技有限责任公司 Sensor calibration adjusting device and method
WO2021114286A1 (en) * 2019-12-13 2021-06-17 华为技术有限公司 Control method and apparatus
CN111579903A (en) * 2020-05-18 2020-08-25 格力电器(合肥)有限公司 Display module testing tool and testing method
WO2023092517A1 (en) * 2021-11-27 2023-06-01 华为技术有限公司 Driving apparatus and driving method for led display screen, and led display screen

Similar Documents

Publication Publication Date Title
CN106935190B (en) A kind of organic light emitting display panel, organic light-emitting display device, organic light emitting display panel driving method
CN106652907B (en) Organic light emitting display panel, organic light-emitting display device and pixel compensation method
CN105280139B (en) AMOLED luminance compensation methods and AMOLED drive systems
CN105679242B (en) Pixel circuit and driving method thereof
CN108133688A (en) EL display device
EP1942485B1 (en) Organic light emitting display device and method of driving the same
CN105609029B (en) Sense the system and AMOLED display device of AMOLED pixel driver characteristic
US20180330669A1 (en) Display panel, display device and display driving method
CN105448234B (en) Pixel circuit and its driving method and active matrix/organic light emitting display
CN103996374A (en) Device and method for achieving external dynamic compensation for display screen active area direct-current voltage drop
CN103714778B (en) Image element circuit, the driving method of image element circuit and display device
CN106328051A (en) Organic light emitting display apparatus
CN107195273A (en) A kind of OLED display device and the method for improving display device display performance
CN106486051A (en) Dot structure
CN110349542A (en) A kind of display panel, display device and its control method
CN107767815A (en) The compensation system and method for OLED display panel
CN103681772A (en) Array substrate and display device
CN101777304A (en) Display apparatus and electronic apparatus
CN105139805B (en) A kind of pixel-driving circuit and its driving method, display device
CN110503917A (en) Pixel-driving circuit and display device with pixel-driving circuit
CN107507572B (en) The parameter acquiring method of OLED driving thin film transistor (TFT)
TWI463463B (en) Organic light emitting diode display and operating method thereof
US10720101B2 (en) Display device configured to adjust emission start signal based on accumulation amount of current from auxiliary pixel
CN106409230A (en) Pixel unit compensation method
CN110364114A (en) Display panel, brightness compensation method thereof and display device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170922

RJ01 Rejection of invention patent application after publication