CN106297655A - A kind of OLED display screen and display control unit thereof - Google Patents
A kind of OLED display screen and display control unit thereof Download PDFInfo
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- CN106297655A CN106297655A CN201610683877.4A CN201610683877A CN106297655A CN 106297655 A CN106297655 A CN 106297655A CN 201610683877 A CN201610683877 A CN 201610683877A CN 106297655 A CN106297655 A CN 106297655A
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- 238000004891 communication Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005538 encapsulation Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control 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
- G09G3/22—Control 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
- G09G3/30—Control 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
- G09G3/32—Control 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]
- G09G3/3208—Control 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]
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
Abstract
The invention belongs to image display technology field, it is provided that a kind of OLED display screen and display control unit thereof.nullThe present invention includes main control module by using in OLED display screen、Display control module and the display control unit of power module，By the display control module electrifying timing sequence to display module、Communication interface sequential and initialization procedure are controlled，By display control module, the view data that main control module exports is cached，And after display module has powered on，View data is encapsulated as corresponding OLED video data，And OLED video data is exported to display module，So that OLED video data is shown by display module，Owing to display control module uses programmable logic controller (PLC) part，It has powerful interface resource，Therefore，The different interface sequence of display module configuration that can be directly different by display control module，Develop simple and highly versatile，Saved the bus resource of main control module simultaneously.
Description
Technical field
The invention belongs to image display technology field, particularly relate to a kind of OLED display screen and display control unit thereof.
Background technology
OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) Display Technique is to compare liquid crystal display
The flat panel display of new generation that technology is the most advanced, it is compared with lcd technology, has ultra-thin, high brightness, extensively regards
Angle, fast response time, adaptive temperature wide ranges, low in energy consumption and the superior functions such as soft display can be realized, can be widely applied to lead to
The fields such as letter, computer and consumer electronics.
At present, most of OLED display screen use MCU (Microcontroller Unit, micro-control unit) to control to show
Show the interface sequence of module, use parallel bus to complete the transmission of data.
But, directly use MCU to control the interface sequence of display module, the bus resource of MCU can be taken, and due to OLED
The kind of interface of the display module of display screen is various, and the interface type of MCU is limited, and therefore, different display modules needs to join
Putting the MCU of different model, the extensibility causing display module is poor.
Summary of the invention
It is an object of the invention to provide a kind of OLED display screen and display control unit thereof, it is intended to solve existing OLED and show
The interface sequence that display screen uses MCU to control display module can take MUC bus resource, and due to MCU interface type limited thus
Cause the problem that the extensibility of display module is poor.
The present invention is achieved in that the display control unit of a kind of OLED display screen, with showing of described OLED display screen
Showing that module connects, described display control unit includes: main control module, display control module and power module；Described display controls
Module is programmable logic controller (PLC) part；
The power end of described main control module and communication ends respectively with the first outfan and the described display of described power module
First communication ends of control module connects, and the second communication ends of described display control module, power end and electrifying timing sequence control end
Controlled end with the communication ends of described display module, the second outfan of described power module and described power module connects respectively
Connecing, the 3rd outfan of described power module is connected with the power end of described display module；
Described power module is that described main control module, described display control module and described display module are powered；Institute
State display control module electrifying timing sequence, communication interface sequential and the initialization procedure of described display module are controlled, meanwhile,
The view data that described main control module exports is cached by described display control module, and has powered at described display module
After, described view data is encapsulated as corresponding OLED video data, and by the output of OLED video data to described display module,
So that described OLED video data is shown by described display module.
Present invention also offers a kind of OLED display screen, including display module, described OLED display screen also includes above-mentioned
Display control unit.
The present invention includes the display of main control module, display control module and power module by using in OLED display screen
Control device, display control module electrifying timing sequence, communication interface sequential and the initialization procedure of display module be controlled,
By display control module, the view data that main control module exports is cached, and after display module has powered on, by image
Data are encapsulated as corresponding OLED video data, and export OLED video data to display module, so that display module pair
OLED video data shows, owing to display control module uses programmable logic controller (PLC) part, it has powerful interface
Resource, therefore, the different interface sequence of display module configuration that can be directly different by display control module, exploitation simple and
Highly versatile, has saved the bus resource of main control module simultaneously.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the display control unit that the embodiment of the present invention provides；
Fig. 2 is the modular structure schematic diagram of the display control unit that another embodiment of the present invention provides；
Fig. 3 is the modular structure schematic diagram of the display control unit that yet another embodiment of the invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
The embodiment of the present invention includes main control module, display control module and power module by using in OLED display screen
Display control unit, display control module electrifying timing sequence, communication interface sequential and the initialization procedure of display module are entered
Row controls, display control module the view data that main control module exports cached, and after display module has powered on,
View data is encapsulated as corresponding OLED video data, and OLED video data is exported to display module, so that display mould
OLED video data is shown by block, and owing to display control module uses programmable logic controller (PLC) part, it has powerful
Interface resource, therefore, the different interface sequence of display module configuration that can be directly different by display control module, exploitation letter
List and highly versatile, saved the bus resource of main control module simultaneously.
Fig. 1 shows the modular structure of the display control unit that the embodiment of the present invention provides, and for convenience of description, only illustrates
The part relevant to the embodiment of the present invention, details are as follows:
The display control unit 1 of a kind of OLED display screen, is connected with the display module 2 of OLED display screen, and display controls dress
Put 1 to include: main control module 10, display control module 11 and power module 12.
Wherein, display control module 11 is programmable logic controller (PLC) part.
The power end of main control module 10 and communication ends respectively with the first outfan and the display control module of power module 12
First communication ends of 11 connects, and the second communication ends of display control module 11, power end and electrifying timing sequence control end respectively with aobvious
Show that the controlled end of the communication ends of module 2, the second outfan of power module 12 and power module 12 connects, the of power module 12
Three outfans are connected with the power end of display module 2.
Power module 12 is that main control module 10, display control module 11 and display module 2 are powered；Display control module
The electrifying timing sequence of 11 pairs of display modules 2, communication interface sequential and initialization procedure are controlled, meanwhile, and display control module 11
The view data that main control module 10 exports is cached, and after display module 2 has powered on, view data is encapsulated as phase
The OLED video data answered, and OLED video data is exported to display module 2, so that display module 2 is to OLED video data
Show.
In embodiments of the present invention, programmable logic controller (PLC) part is specifically as follows FPGA (Field-Programmable
Gate Array, field programmable gate array).FPGA has powerful interface resource, can be different display moulds by FPGA
The interface sequence that block is differently configured, one piece of FPGA can compatible most OLED display screen, highly versatile, and exploitation is simple high
Effect.
In actual applications, the model of FPGA can be EP2C8, and certainly, FPGA can also use other can realize being similar to
The chip of function, does not limits.
In embodiments of the present invention, display control module 11 is by controlling power module 12 when display module 2 is powered
Sequence and then be controlled the electrifying timing sequence of display module 2, meanwhile, display control module 11 also communication to display module 2 connects
Mouth sequential and initialization procedure are controlled.Concrete, after system reset, display control module 11 controls power module 12 and is
The logic power of display module 2 is powered；After the logic power of display module 2 powers on, display control module 11 is to display module 2
In depositor initialize；After initialization of register completes, after the preset lime, display control module 11 controls electricity
Source module 12 is that the door of display module 2 drives power supply to power.Meanwhile, the image that main control module 10 is exported by display control module 11
Data cache, and after display module 2 has powered on, view data are encapsulated as corresponding OLED video data, and will
OLED video data exports to display module 2, so that OLED video data is shown by display module 2.
In actual applications, Preset Time can be configured according to the actual requirements, for example, it is possible to arrange Preset Time is
After 10ms (millisecond), i.e. 10ms after the depositor in display module 2 is initialized by display control module 11, display
Control module 11 controls the door that power module 12 is display module 2 and drives power supply to power.
In actual applications, main control module 10 can use the micro-control unit with MCU as core, it would however also be possible to employ other
The microprocessor of type, does not limits.
Fig. 2 shows the modular structure of the display control unit that another embodiment of the present invention provides, for convenience of description, only
Showing the part relevant to the embodiment of the present invention, details are as follows:
As one embodiment of the invention, display control module 11 includes: memory analysis unit 110, internal storage location 111, number
According to encapsulation initialization unit 112 and electrifying timing sequence control unit 113.
First communication ends that first communication ends is display control module 11 of memory analysis unit 110, internal storage location 111
Communication ends and data output end respectively with the second communication ends and the data encapsulation initialization unit 112 of institute memory analysis unit 110
Data input pin connect, data encapsulation initialization unit 112 the second communication ends that communication ends is display control module 11, on
The electrifying timing sequence that outfan is display control module 11 of electricity timing control unit 113 controls end.
After system reset, electrifying timing sequence control unit 113 controls the logic power that power module 12 is display module 2 and supplies
Electricity.
After the logic power of display module 2 powers on, data encapsulation initialization unit 112 is to depositing in display module 2
Device initializes.
After initialization of register completes, electrifying timing sequence control unit 113 controls the door that power module 12 is display module 2
Driving power supply is powered.
The view data that main control module 10 exports is extracted and by view data caching to interior by memory analysis unit 110
Memory cell 111；After the door of display module 2 drives power supply electrifying, data encapsulation initialization unit 112 monitors internal storage location in real time
The storage state of 111, when in internal storage location 111, storage has view data, data encapsulation initialization unit 112 is by view data
It is encapsulated as corresponding OLED video data, and OLED video data is exported to display module 2, so that display module 2 is to OLED
Video data shows.
In actual applications, internal storage location 111 is specifically as follows RAM (Random Access Memory, random access memory is deposited
Reservoir), it is also possible to for other kinds of memorizer, do not limit.
As one embodiment of the invention, memory analysis unit 110 is additionally operable to the storage state according to internal storage location 111 to master
The data transmission state of control module 10 is controlled.
Concrete, when residual memory space internal storage location 111 being detected is more than or equal to preset storage threshold value, internal memory
Analytic unit 110 exports first data transmission control instruction, main control module 10 according to first data transmission control instruction by image
Data export to memory analysis unit 110.
When residual memory space internal storage location 111 being detected is less than and presets storage threshold value, memory analysis unit 110 is defeated
Going out the second transmission control instruction, main control module 10 stops to internal memory analytic unit 110 output figure according to the second transmission control instruction
As data.
In embodiments of the present invention, presetting storage threshold value can be configured according to practical situation, does not limits.
Fig. 3 shows the modular structure of the display control unit that yet another embodiment of the invention provides, for convenience of description, only
Showing the part relevant to the embodiment of the present invention, details are as follows:
As one embodiment of the invention, data encapsulation initialization unit 112 includes initializing subelement and view data envelope
Dress subelement 1120.
The data input pin of view data encapsulation subelement 1120 is the data input of data encapsulation initialization unit 112
End, the data transmission terminal of view data encapsulation subelement 1120 and the communication ends of initialization subelement constitute data encapsulation and initialize
The communication ends of unit 112.
After the logic power of display module 2 powers on, initialize subelement and the depositor in display module 2 is carried out initially
Change.
After the door of display module 2 drives power supply electrifying, internal storage location monitored in real time by view data encapsulation subelement 1120
The storage state of 111, when in internal storage location 111, storage has view data, view data encapsulation subelement 1120 is by picture number
According to being encapsulated as corresponding OLED video data, and OLED video data is exported to display module 2, so that display module 2 is right
OLED video data shows.
The embodiment of the present invention additionally provides a kind of OLED display screen, and including display module 2, this OLED display screen also includes
The display control unit 1 stated.
The embodiment of the present invention includes main control module, display control module and power module by using in OLED display screen
Display control unit, display control module electrifying timing sequence, communication interface sequential and the initialization procedure of display module are entered
Row controls, display control module the view data that main control module exports cached, and after display module has powered on,
View data is encapsulated as corresponding OLED video data, and OLED video data is exported to display module, so that display mould
OLED video data is shown by block, and owing to display control module uses programmable logic controller (PLC) part, it has powerful
Interface resource, therefore, the different interface sequence of display module configuration that can be directly different by display control module, exploitation letter
List and highly versatile, saved the bus resource of main control module simultaneously.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (6)
1. a display control unit for OLED display screen, is connected with the display module of described OLED display screen, it is characterised in that
Described display control unit includes: main control module, display control module and power module；Described display control module is able to programme
Logic control device；
The power end of described main control module and communication ends control with the first outfan of described power module and described display respectively
First communication ends of module connects, and the second communication ends of described display control module, power end and electrifying timing sequence control end respectively
It is connected with the controlled end of the communication ends of described display module, the second outfan of described power module and described power module, institute
The 3rd outfan stating power module is connected with the power end of described display module；
Described power module is that described main control module, described display control module and described display module are powered；Described aobvious
Show that electrifying timing sequence, communication interface sequential and the initialization procedure of described display module are controlled by control module, meanwhile, described
The view data that described main control module exports is cached by display control module, and after described display module has powered on,
Described view data is encapsulated as corresponding OLED video data, and OLED video data is exported extremely described display module, with
Make described display module that described OLED video data to be shown.
2. display control unit as claimed in claim 1, it is characterised in that described display control module includes: memory analysis
Unit, internal storage location, data encapsulation initialization unit and electrifying timing sequence control unit；
First communication ends that first communication ends is described display control module of described memory analysis unit, described internal storage location
Communication ends and data output end respectively with the second communication ends of institute memory analysis unit and described data encapsulation initialization unit
Data input pin connects, second communication ends that communication ends is described display control module of described data encapsulation initialization unit,
The electrifying timing sequence that outfan is described display control module of described electrifying timing sequence control unit controls end；
After system reset, described electrifying timing sequence control unit controls the logic power that described power module is described display module
Power supply；
After the logic power of described display module powers on, described data encapsulation initialization unit is to posting in described display module
Storage initializes；
After described initialization of register completes, it is described display mould that described electrifying timing sequence control unit controls described power module
The door of block drives power supply to power；
The view data that described main control module exports is extracted and described view data is cached by described memory analysis unit
To described internal storage location；After the door of described display module drives power supply electrifying, described data encapsulation initialization unit is supervised in real time
Survey the storage state of described internal storage location, when storage has described view data in described internal storage location, at the beginning of the encapsulation of described data
Described view data is encapsulated as corresponding OLED video data by beginningization unit, and by the output of described OLED video data to described
Display module, so that described OLED video data is shown by described display module.
3. display control unit as claimed in claim 2, it is characterised in that described memory analysis unit is additionally operable to according to described
The data transmission state of described main control module is controlled by the storage state of internal storage location；
When the residual memory space described internal storage location being detected is more than or equal to preset storage threshold value, described memory analysis list
Unit output first data transmission control instruction, described main control module according to described first data transmission control instruction by described image
Data output is to described memory analysis unit；
When the residual memory space described internal storage location being detected is less than and presets storage threshold value, described memory analysis unit exports
Second transmission control instruction, described main control module stops defeated to described memory analysis unit according to described second transmission control instruction
Go out described view data.
4. display control unit as claimed in claim 2, it is characterised in that described data encapsulation initialization unit includes initially
Beggar's unit and view data encapsulation subelement；
The data input pin that data input pin is described data encapsulation initialization unit of described view data encapsulation subelement, institute
The communication ends of the data transmission terminal and described initialization subelement of stating view data encapsulation subelement is constituted at the beginning of the encapsulation of described data
The communication ends of beginningization unit；
After the logic power of described display module powers on, the depositor in described display module is entered by described initialization subelement
Row initializes；
After the door of described display module drives power supply electrifying, described interior deposit receipt monitored in real time by described view data encapsulation subelement
The storage state of unit, when in described internal storage location, storage has described view data, described view data encapsulation subelement is by institute
State view data and be encapsulated as corresponding OLED video data, and described OLED video data is exported extremely described display module, with
Make described display module that described OLED video data to be shown.
5. display control unit as claimed in claim 1, it is characterised in that described programmable logic controller (PLC) part is that scene can
Programming gate array.
6. an OLED display screen, including display module, it is characterised in that described OLED display screen also includes such as claim 1-
Display control unit described in 5 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610683877.4A CN106297655B (en) | 2016-08-17 | 2016-08-17 | OLED display screen and display control device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683877.4A CN106297655B (en) | 2016-08-17 | 2016-08-17 | OLED display screen and display control device thereof |
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| CN106297655B CN106297655B (en) | 2019-12-31 |
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| CN107978275A (en) * | 2018-01-19 | 2018-05-01 | 昆山国显光电有限公司 | Control signal transmission circuit and method |
| CN109377950A (en) * | 2018-10-31 | 2019-02-22 | 惠科股份有限公司 | Driving method of display panel and display panel thereof |
| CN109920388A (en) * | 2019-04-11 | 2019-06-21 | 深圳市华星光电技术有限公司 | Display panel driving system |
| CN111930663A (en) * | 2020-10-16 | 2020-11-13 | 南京初芯集成电路有限公司 | Mobile phone OLED screen cache chip with ultra-high speed interface |
| CN112346679A (en) * | 2019-08-07 | 2021-02-09 | 西安诺瓦星云科技股份有限公司 | Multi-display screen control system, display system and multi-display screen control method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106297655B (en) | 2019-12-31 |
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