CN208189191U - A kind of OLED display screen signal generator for supporting various protocols display interface - Google Patents
A kind of OLED display screen signal generator for supporting various protocols display interface Download PDFInfo
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- CN208189191U CN208189191U CN201820443201.2U CN201820443201U CN208189191U CN 208189191 U CN208189191 U CN 208189191U CN 201820443201 U CN201820443201 U CN 201820443201U CN 208189191 U CN208189191 U CN 208189191U
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Abstract
The utility model relates to a kind of OLED display screen signal generators for supporting various protocols display interface, including network communication interface, PHY chip and fpga chip；The network communication interface connects the PHY chip, and the PHY chip connects fpga chip；The fpga chip includes universal input/output interface, low voltage difference interface and high speed serialization transceiver interface, the universal input/output interface connection rgb interface, SPI interface and MCU interface；The low voltage difference interface connection MIPI interface and LVDS interface；The high speed serialization transceiver interface connection EDP interface and VBO interface；The rgb interface, SPI interface, MCU interface, MIPI interface, LVDS interface, EDP interface and VBO interface are used to connection OLED display screen.
Description
Technical field
The utility model belongs to photoelectric field, and in particular to a kind of OLED screen signal generator more particularly to a kind of support
The OLED display screen signal generator of various protocols display interface.
Background technique
It is aobvious that Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) is also known as organic electric laser
Show, organic luminous semiconductor.Deng Qingyun (Ching W. Tang) is taught by Chinese descendant in America to find in the lab in 1979.
OLED display technology have many advantages, such as self-luminous, wide viewing angle, almost infinite high contrast, compared with low power consumption, high reaction speed
And it is widely used in field of display screen.
Currently, OLED screen signal generator is mainly used in during mould group point screen and burn-in test.Referring to attached drawing 1,
Traditional signal generator can only often export rgb signal, and then RGB is transferred by bridging chip and is believed at other interface protocols
Number, but with the increase resolution of screen, the appearance of the interface protocol of various high speeds, RGB can be run due to being single-ended signal
Bandwidth it is limited, be slowly no longer satisfied the demand of panel factory.And the screen of distinct interface is corresponded in such a way that RGB is bridged
Different pinboards is needed, research and development point plate power efficiency is influenced in this way, wastes more resources.
In consideration of it, in order to solve this problem, proposing a kind of OLED display screen signal for supporting various protocols display interface
Generator is the project to be studied of the utility model.
Summary of the invention
The utility model provides a kind of OLED display screen signal generator for supporting various protocols display interface, the purpose is to
In order to solve the problems, such as the signal generator of the prior art.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of support various protocols display interface
OLED display screen signal generator, including network communication interface, PHY chip and fpga chip；The network communication interface connects
The PHY chip is connect, the PHY chip connects fpga chip；
The fpga chip includes universal input/output interface, low voltage difference interface and high speed serialization transceiver interface,
The universal input/output interface connection rgb interface, SPI interface and MCU interface；The low voltage difference interface connects MIPI
Interface and LVDS interface；The high speed serialization transceiver interface connection EDP interface and VBO interface；The rgb interface, SPI interface,
MCU interface, MIPI interface, LVDS interface, EDP interface and VBO interface are used to connection OLED display screen.
Related content in above-mentioned technical proposal is explained as follows:
It 1, further include a MIPI driving chip in above scheme, the low voltage difference interface is driven by the MIPI
Chip connects the MIPI interface.
It 2, further include an EDP driving chip in above scheme, the high speed serialization transceiver interface is driven by the EDP
Chip connects the EDP interface.
It 3, further include a VBO driving chip in above scheme, the high speed serialization transceiver interface is driven by the VBO
Chip connects the VBO interface.
It 4, further include flash memories in above scheme, which connect with fpga chip.
It 5, further include 64 DDR3 in above scheme, which connect with fpga chip.
6, in above scheme, VBO interface refers to V-by-One interface；The full name in English of EDP interface is Embedded
DisplayPort, a kind of a kind of digital interface applied to notebook, tablet computer display；LVDS interface is LCD Panel
General interface standard, mostly on the display screen of 7 cun of dimensions above；SERDES in SERDES interface, English are
SERializer (serializer)/DESerializer (deserializer) abbreviation, be a kind of mainstream time division multiplexing (TDM),
The serial communication of point-to-point (P2P)；SPI is Serial Peripheral Interface (SPI)；MIPI alliance, i.e. mobile industry processor interface (Mobile
Industry Processor Interface abbreviation MIPI) alliance, MIPI (mobile industry processor interface) is MIPI alliance
Initiation is the open standard that mobile application processor is formulated and a specification.
Since above-mentioned technical proposal is used, the utility model has the advantage that compared with prior art
The utility model compared with the existing technology, supports multi-signal interface to carry out test point screen to OLED screen, outside is not
Pinboard is needed, research and development point plate power efficiency can be greatly improved.
Detailed description of the invention
Attached drawing 1 is the functional block diagram of prior art OLED screen signal generator；
Attached drawing 2 is the functional block diagram of the present embodiment OLED screen signal generator.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments:
A kind of embodiment: OLED display screen signal generator for supporting various protocols display interface
Referring to attached drawing 2, including network communication interface, PHY chip and fpga chip.The network communication interface connects institute
PHY chip is stated, the PHY chip connects fpga chip.
The fpga chip includes universal input/output interface (i.e. GPIO interface), (i.e. LVDS connects low voltage difference interface
Mouthful) and high speed serialization transceiver interface (i.e. SERDES interface).The universal input/output interface connects rgb interface, SPI interface
And MCU interface.
The low voltage difference interface connection MIPI interface and LVDS interface, wherein further include a MIPI driving chip, institute
It states low voltage difference interface and the MIPI interface is connected by the MIPI driving chip.The high speed serialization transceiver interface connection
EDP interface and VBO interface, wherein further include an EDP driving chip and a VBO driving chip, the high speed serialization transceiver interface
EDP interface is connected by EDP driving chip, and VBO interface is connected by VBO driving chip.
The present embodiment can support rgb interface, MCU interface, SPI interface, LVDS interface, MIPI interface, EDP interface and
VBO interface, outside do not need pinboard.
The OLED signal generator of the utility model can export RGB by the common GPIO of fpga chip as a result,
MCU, SPI interface signal；LVDS interface signal is exported by the LVDS interface of fpga chip；And pass through fpga chip
SERDES interface exports EDP, VBO signal, to be provided in OLED screen.
In addition, further including flash memory memory and 64 DDR3, the flash memories and DDR3 connect with fpga chip
It connects.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of OLED display screen signal generator for supporting various protocols display interface, it is characterised in that: including network communication
Interface, PHY chip and fpga chip；The network communication interface connects the PHY chip, and the PHY chip connects FPGA
Chip；
The fpga chip includes universal input/output interface, low voltage difference interface and high speed serialization transceiver interface, described
Universal input/output interface connects rgb interface, SPI interface and MCU interface；The low voltage difference interface connects MIPI interface
And LVDS interface；The high speed serialization transceiver interface connection EDP interface and VBO interface；The rgb interface, SPI interface, MCU connect
Mouth, MIPI interface, LVDS interface, EDP interface and VBO interface are used to connection OLED display screen.
2. the OLED display screen signal generator according to claim 1 for supporting various protocols display interface, feature exist
In: it further include a MIPI driving chip, the low voltage difference interface connects the MIPI by the MIPI driving chip and connects
Mouthful.
3. the OLED display screen signal generator according to claim 1 or 2 for supporting various protocols display interface, feature
It is: further includes an EDP driving chip, the high speed serialization transceiver interface connects the EDP by the EDP driving chip and connects
Mouthful.
4. the OLED display screen signal generator according to claim 3 for supporting various protocols display interface, feature exist
In: it further include a VBO driving chip, the high speed serialization transceiver interface connects the VBO by the VBO driving chip and connects
Mouthful.
5. the OLED display screen signal generator according to claim 1 for supporting various protocols display interface, feature exist
In: it further include flash memories, which connect with fpga chip.
6. the OLED display screen signal generator according to claim 1 for supporting various protocols display interface, feature exist
In: it further include 64 DDR3, which connect with fpga chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820443201.2U CN208189191U (en) | 2018-03-30 | 2018-03-30 | A kind of OLED display screen signal generator for supporting various protocols display interface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820443201.2U CN208189191U (en) | 2018-03-30 | 2018-03-30 | A kind of OLED display screen signal generator for supporting various protocols display interface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109819191A (en) * | 2019-01-17 | 2019-05-28 | 武汉精立电子技术有限公司 | A kind of MIPI C-PHY signal generator and its signal generating method |
| CN113643670A (en) * | 2021-08-23 | 2021-11-12 | 福州富昌维控电子科技有限公司 | HMI self-adaptive matching method and terminal for multiple EDP screens |
| CN114286037A (en) * | 2022-03-04 | 2022-04-05 | 武汉精立电子技术有限公司 | Video image signal generator and aging test device |
-
2018
- 2018-03-30 CN CN201820443201.2U patent/CN208189191U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109819191A (en) * | 2019-01-17 | 2019-05-28 | 武汉精立电子技术有限公司 | A kind of MIPI C-PHY signal generator and its signal generating method |
| CN109819191B (en) * | 2019-01-17 | 2021-05-04 | 武汉精立电子技术有限公司 | MIPI C-PHY signal generator and signal generating method thereof |
| CN113643670A (en) * | 2021-08-23 | 2021-11-12 | 福州富昌维控电子科技有限公司 | HMI self-adaptive matching method and terminal for multiple EDP screens |
| CN114286037A (en) * | 2022-03-04 | 2022-04-05 | 武汉精立电子技术有限公司 | Video image signal generator and aging test device |
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