CN106297655B - OLED display screen and display control device thereof - Google Patents
OLED display screen and display control device thereof Download PDFInfo
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- CN106297655B CN106297655B CN201610683877.4A CN201610683877A CN106297655B CN 106297655 B CN106297655 B CN 106297655B CN 201610683877 A CN201610683877 A CN 201610683877A CN 106297655 B CN106297655 B CN 106297655B
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- 238000004891 communication Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000015654 memory Effects 0.000 claims description 40
- 238000004806 packaging method and process Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000005538 encapsulation Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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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- Physics & Mathematics (AREA)
- 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 the technical field of image display and provides an OLED display screen and a display control device thereof. According to the invention, the display control device comprising the main control module, the display control module and the power module is adopted in the OLED display screen, the display control module controls the power-on time sequence, the communication interface time sequence and the initialization process of the display module, the display control module caches the image data output by the main control module, the image data is packaged into corresponding OLED display data after the display module is powered on, and the OLED display data is output to the display module, so that the display module displays the OLED display data.
Description
Technical Field
The invention belongs to the technical field of image display, and particularly relates to an OLED display screen and a display control device thereof.
Background
The OLED (Organic Light-Emitting Diode) display technology is a new generation of flat panel display technology that is more advanced than the liquid crystal display technology, and compared with the liquid crystal display technology, the OLED display technology has superior performances of ultra-Light and thin, high brightness, wide viewing angle, fast response speed, wide temperature range, low power consumption, capability of realizing soft display, and the like, and can be widely applied to the fields of communication, computers, consumer electronics, and the like.
Currently, most OLED display screens use an MCU (micro controller Unit) to control the interface timing of the display module, and use a parallel bus to complete data transmission.
However, the MCU directly controls the interface timing sequence of the display module, which occupies the bus resources of the MCU, and because the types of the interfaces of the display module of the OLED display are various and the types of the interfaces of the MCU are limited, different types of MCUs need to be configured for different display modules, resulting in poor expandability of the display module.
Disclosure of Invention
The invention aims to provide an OLED display screen and a display control device thereof, and aims to solve the problems that an interface time sequence of a display module is controlled by an MCU (micro control unit) of the conventional OLED display screen, MUC (multi-media bus) bus resources are occupied, and the expandability of the display module is poor due to the limited interface types of the MCU.
The invention is realized in this way, a display control device of an OLED display screen is connected with a display module of the OLED display screen, and the display control device includes: the display device comprises a main control module, a display control module and a power supply module; the display control module is a programmable logic control device;
the power supply end and the communication end of the main control module are respectively connected with the first output end of the power supply module and the first communication end of the display control module, the second communication end, the power supply end and the power-on time sequence control end of the display control module are respectively connected with the communication end of the display module, the second output end of the power supply module and the controlled end of the power supply module, and the third output end of the power supply module is connected with the power supply end of the display module;
the power supply module supplies power to the main control module, the display control module and the display module; the display control module controls the power-on time sequence, the communication interface time sequence and the initialization process of the display module, meanwhile, the display control module caches the image data output by the main control module, packages the image data into corresponding OLED display data after the power-on of the display module is completed, and outputs the OLED display data to the display module so that the display module displays the OLED display data.
The invention also provides an OLED display screen which comprises a display module and the display control device.
According to the invention, the display control device comprising the main control module, the display control module and the power module is adopted in the OLED display screen, the display control module controls the power-on time sequence, the communication interface time sequence and the initialization process of the display module, the display control module caches the image data output by the main control module, the image data is packaged into corresponding OLED display data after the display module is powered on, and the OLED display data is output to the display module, so that the display module displays the OLED display data.
Drawings
Fig. 1 is a schematic block diagram of a display control apparatus according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a display control apparatus according to another embodiment of the present invention;
fig. 3 is a schematic block diagram of a display control apparatus according to still another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
According to the embodiment of the invention, the display control device comprising the main control module, the display control module and the power module is adopted in the OLED display screen, the display control module controls the power-on time sequence, the communication interface time sequence and the initialization process of the display module, the display control module caches the image data output by the main control module, the image data is packaged into corresponding OLED display data after the display module is powered on, and the OLED display data is output to the display module, so that the display module displays the OLED display data.
Fig. 1 shows a module structure of a display control apparatus according to an embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown, and the details are as follows:
a display control device 1 of an OLED display screen is connected with a display module 2 of the OLED display screen, and the display control device 1 comprises: a main control module 10, a display control module 11 and a power supply module 12.
The display control module 11 is a programmable logic control device.
The power end and the communication end of the main control module 10 are respectively connected with the first output end of the power module 12 and the first communication end of the display control module 11, the second communication end, the power end and the power-on time sequence control end of the display control module 11 are respectively connected with the communication end of the display module 2, the second output end of the power module 12 and the controlled end of the power module 12, and the third output end of the power module 12 is connected with the power end of the display module 2.
The power supply module 12 supplies power to the main control module 10, the display control module 11 and the display module 2; the display control module 11 controls the power-on time sequence, the communication interface time sequence and the initialization process of the display module 2, meanwhile, the display control module 11 caches the image data output by the main control module 10, packages the image data into corresponding OLED display data after the power-on of the display module 2 is completed, and outputs the OLED display data to the display module 2, so that the display module 2 displays the OLED display data.
In the embodiment of the present invention, the Programmable logic control device may be specifically an FPGA (Field-Programmable Gate Array). FPGA has powerful interface resource, and the different interface chronogenesis of accessible FPGA for different display module configuration, and a FPGA can be compatible most OLED display screen, and the commonality is strong, and develops simply high-efficient.
In practical applications, the model of the FPGA may be EP2C8, and of course, the FPGA may also adopt other chips capable of implementing similar functions, which is not limited herein.
In the embodiment of the present invention, the display control module 11 controls the power-on timing sequence of the display module 2 by controlling the timing sequence of the power supply from the power supply module 12 to the display module 2, and meanwhile, the display control module 11 also controls the communication interface timing sequence and the initialization process of the display module 2. Specifically, after the system is reset, the display control module 11 controls the power supply module 12 to supply power to the logic power supply of the display module 2; when the logic power supply of the display module 2 is powered on, the display control module 11 initializes the register in the display module 2; after the initialization of the register is completed, the display control module 11 controls the power supply module 12 to supply power to the gate driving power supply of the display module 2 after a preset time. Meanwhile, the display control module 11 caches the image data output by the main control module 10, packages the image data into corresponding OLED display data after the display module 2 is powered on, and outputs the OLED display data to the display module 2, so that the display module 2 displays the OLED display data.
In practical application, the preset time may be set according to actual requirements, for example, the preset time may be set to 10ms (millisecond), that is, after 10ms after the display control module 11 initializes the register in the display module 2, the display control module 11 controls the power module 12 to supply power to the gate driving power supply of the display module 2.
In practical applications, the main control module 10 may employ a micro control unit with an MCU as a core, or may employ other types of microprocessors, which is not limited herein.
Fig. 2 shows a block structure of a display control apparatus according to another embodiment of the present invention, and for convenience of description, only the portions related to the embodiment of the present invention are shown, and the details are as follows:
as an embodiment of the present invention, the display control module 11 includes: a memory analysis unit 110, a memory unit 111, a data package initialization unit 112, and a power-on timing control unit 113.
The first communication end of the memory analysis unit 110 is a first communication end of the display control module 11, the communication end and the data output end of the memory unit 111 are respectively connected to the second communication end of the memory analysis unit 110 and the data input end of the data encapsulation initialization unit 112, the communication end of the data encapsulation initialization unit 112 is a second communication end of the display control module 11, and the output end of the power-on timing control unit 113 is a power-on timing control end of the display control module 11.
After the system is reset, the power-on timing control unit 113 controls the power module 12 to supply power to the logic power source of the display module 2.
After the logic power supply of the display module 2 is powered on, the data package initialization unit 112 initializes the registers in the display module 2.
After the initialization of the register is completed, the power-on timing control unit 113 controls the power supply module 12 to supply power to the gate driving power supply of the display module 2.
The memory analysis unit 110 extracts the image data output by the main control module 10 and caches the image data to the memory unit 111; after the gate driving power supply of the display module 2 is powered on, the data encapsulation initialization unit 112 monitors the storage state of the memory unit 111 in real time, and when image data is stored in the memory unit 111, the data encapsulation initialization unit 112 encapsulates the image data into corresponding OLED display data and outputs the OLED display data to the display module 2, so that the display module 2 displays the OLED display data.
In practical applications, the Memory unit 111 may be a Random Access Memory (RAM) or other types of memories, and is not limited herein.
As an embodiment of the present invention, the memory analysis unit 110 is further configured to control a data transmission state of the main control module 10 according to a storage state of the memory unit 111.
Specifically, when it is detected that the remaining storage space of the memory unit 111 is greater than or equal to the preset storage threshold, the memory analysis unit 110 outputs a first data transmission control instruction, and the main control module 10 outputs the image data to the memory analysis unit 110 according to the first data transmission control instruction.
When detecting that the remaining storage space of the memory unit 111 is smaller than the preset storage threshold, the memory analysis unit 110 outputs a second transmission control instruction, and the main control module 10 stops outputting the image data to the memory analysis unit 110 according to the second transmission control instruction.
In the embodiment of the present invention, the preset storage threshold may be set according to an actual situation, which is not limited herein.
Fig. 3 shows a block structure of a display control apparatus according to still another embodiment of the present invention, and for convenience of description, only the portions related to the embodiment of the present invention are shown, and the details are as follows:
as an embodiment of the present invention, the data package initialization unit 112 includes an initialization sub-unit and an image data package sub-unit 1120.
The data input terminal of the image data packaging sub-unit 1120 is the data input terminal of the data packaging initialization unit 112, and the data transmission terminal of the image data packaging sub-unit 1120 and the communication terminal of the initialization sub-unit constitute the communication terminal of the data packaging initialization unit 112.
After the logic power supply of the display module 2 is powered on, the initialization subunit initializes the register in the display module 2.
After the gate driving power of the display module 2 is powered on, the image data packaging subunit 1120 monitors the storage state of the memory unit 111 in real time, and when the image data is stored in the memory unit 111, the image data packaging subunit 1120 packages the image data into corresponding OLED display data and outputs the OLED display data to the display module 2, so that the display module 2 displays the OLED display data.
The embodiment of the invention also provides an OLED display screen, which comprises a display module 2 and the display control device 1.
According to the embodiment of the invention, the display control device comprising the main control module, the display control module and the power module is adopted in the OLED display screen, the display control module controls the power-on time sequence, the communication interface time sequence and the initialization process of the display module, the display control module caches the image data output by the main control module, the image data is packaged into corresponding OLED display data after the display module is powered on, and the OLED display data is output to the display module, so that the display module displays the OLED display data.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A display control device of an OLED display screen is connected with a display module of the OLED display screen, and is characterized by comprising: the display device comprises a main control module, a display control module and a power supply module; the display control module is a programmable logic control device;
the power supply end and the communication end of the main control module are respectively connected with the first output end of the power supply module and the first communication end of the display control module, the second communication end, the power supply end and the power-on time sequence control end of the display control module are respectively connected with the communication end of the display module, the second output end of the power supply module and the controlled end of the power supply module, and the third output end of the power supply module is connected with the power supply end of the display module;
the power supply module supplies power to the main control module, the display control module and the display module; the display control module controls a power-on time sequence, a communication interface time sequence and an initialization process of the display module, meanwhile, the display control module caches image data output by the main control module, packages the image data into corresponding OLED display data after the power-on of the display module is completed, and outputs the OLED display data to the display module so that the display module displays the OLED display data;
specifically, the display control module controls the power-on time sequence of the display module by controlling the time sequence when the power supply module supplies power to the display module, and after the system is reset, the display control module controls the power supply module to supply power to the logic power supply of the display module; when the logic power supply of the display module is powered on, the display control module initializes a register in the display module; after the initialization of the register is completed and after the preset time, the display control module controls the power supply module to supply power to the gate driving power supply of the display module;
the display control module includes: the device comprises a memory analysis unit, a memory unit, a data packaging initialization unit and a power-on time sequence control unit;
the first communication end of the memory analysis unit is the first communication end of the display control module, the communication end and the data output end of the memory unit are respectively connected with the second communication end of the memory analysis unit and the data input end of the data packaging initialization unit, the communication end of the data packaging initialization unit is the second communication end of the display control module, and the output end of the power-on time sequence control unit is the power-on time sequence control end of the display control module;
after the system is reset, the power-on time sequence control unit controls the power supply module to supply power for the logic power supply of the display module;
after the logic power supply of the display module is powered on, the data encapsulation initialization unit initializes the register in the display module;
after the initialization of the register is completed, the power-on time sequence control unit controls the power supply module to supply power to a gate driving power supply of the display module;
the memory analysis unit extracts the image data output by the main control module and caches the image data to the memory unit; after a door driving power supply of the display module is powered on, the data encapsulation initialization unit monitors the storage state of the memory unit in real time, and when the image data are stored in the memory unit, the data encapsulation initialization unit encapsulates the image data into corresponding OLED display data and outputs the OLED display data to the display module so that the display module displays the OLED display data.
2. The display control device according to claim 1, wherein the memory analysis unit is further configured to control a data transmission state of the main control module according to a storage state of the memory unit;
when detecting that the remaining storage space of the memory unit is greater than or equal to a preset storage threshold value, the memory analysis unit outputs a first data transmission control instruction, and the main control module outputs the image data to the memory analysis unit according to the first data transmission control instruction;
when detecting that the remaining storage space of the memory unit is smaller than a preset storage threshold value, the memory analysis unit outputs a second transmission control instruction, and the main control module stops outputting the image data to the memory analysis unit according to the second transmission control instruction.
3. The display control apparatus according to claim 1, wherein the data pack initialization unit includes an initialization sub-unit and an image data pack sub-unit;
the data input end of the image data packaging subunit is the data input end of the data packaging initialization unit, and the data transmission end of the image data packaging subunit and the communication end of the initialization subunit form the communication end of the data packaging initialization unit;
after the logic power supply of the display module is powered on, the initialization subunit initializes the register in the display module;
after a door driving power supply of the display module is powered on, the image data packaging subunit monitors the storage state of the memory unit in real time, and when the image data is stored in the memory unit, the image data packaging subunit packages the image data into corresponding OLED display data and outputs the OLED display data to the display module so that the display module displays the OLED display data.
4. The display control apparatus of claim 1, wherein the programmable logic control device is a field programmable gate array.
5. An OLED display screen comprising a display module, characterized in that the OLED display screen further comprises a display control device according to any one of claims 1-4.
Priority Applications (1)
| 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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| 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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| CN106297655A CN106297655A (en) | 2017-01-04 |
| CN106297655B true CN106297655B (en) | 2019-12-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN109377950B (en) * | 2018-10-31 | 2020-12-29 | 惠科股份有限公司 | Driving method of display panel and display panel thereof |
| CN109920388B (en) * | 2019-04-11 | 2021-01-15 | 深圳市华星光电技术有限公司 | Display panel driving system |
| CN112346679B (en) * | 2019-08-07 | 2024-01-09 | 西安诺瓦星云科技股份有限公司 | Multi-display control system, display system and multi-display control method |
| CN111930663B (en) * | 2020-10-16 | 2021-01-05 | 南京初芯集成电路有限公司 | Mobile phone OLED screen cache chip with ultra-high speed interface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101312024A (en) * | 2007-12-29 | 2008-11-26 | 北京谊安医疗***股份有限公司 | Display control device and method |
| KR101621095B1 (en) * | 2009-09-16 | 2016-05-16 | 삼성전자주식회사 | Method and apparatus for transmitting additional information through display |
| CN103295551B (en) * | 2013-06-09 | 2016-02-24 | 南车株洲电力机车研究所有限公司 | A kind of LCD display control system and control method thereof |
| CN105321497A (en) * | 2015-11-26 | 2016-02-10 | 浪潮集团有限公司 | All-in-one machine power-up display LOGO and implementation method for sound and brightness control |
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