阅读说明：本技术 数据连接器、数据提供模组、方法和显示装置 (Data connector, data providing module, method and display device ) 是由 王中杰 于 2021-09-18 设计创作，主要内容包括：本发明提供一种数据连接器、数据提供模组、方法和显示装置。所述数据连接器包括用于接收显示数据的第一传输管脚；所述第一传输管脚还用于接收显示调节数据,并通过第一传输接口将所述显示数据和所述显示调节数据提供至显示驱动模组；所述显示调节数据包括显示均匀性调节数据和亮度调节数据。本发明通过第一传输管脚不仅接收显示数据,还接收显示调节数据,这样可以节省数据连接器的管脚资源,使得所述数据连接器采用的传输管脚的个数减少,减少成本。(The invention provides a data connector, a data providing module, a data providing method and a display device. The data connector comprises a first transmission pin for receiving display data; the first transmission pin is also used for receiving display adjustment data and providing the display data and the display adjustment data to the display driving module through a first transmission interface; the display adjustment data includes display uniformity adjustment data and brightness adjustment data. According to the invention, the first transmission pin not only receives the display data, but also receives the display adjustment data, so that the pin resource of the data connector can be saved, the number of transmission pins adopted by the data connector is reduced, and the cost is reduced.)

1. A data connector comprising a first transmission pin for receiving display data;

the first transmission pin is also used for receiving display adjustment data and providing the display data and the display adjustment data to the display driving module through a first transmission interface;

the display adjustment data includes display uniformity adjustment data and brightness adjustment data.

2. The data connector of claim 1, wherein the first transmission interface is an eDP interface.

3. A data providing module comprising a data providing unit and a data connector as claimed in claim 1 or 2;

the data providing unit is used for providing display adjustment data and display data to a first transmission pin included by the data connector.

4. A data providing method applied to the data providing module according to claim 3, wherein the data providing method comprises:

the data providing unit provides display adjusting data and display data to a first transmission pin of the data connector so as to provide the display adjusting data and the display data to the display driving module through a first transmission interface.

5. A display device comprising a display driving module and the data providing module of claim 3;

the data providing module is used for providing display adjusting data and display data to the display driving module.

6. The display device according to claim 5, wherein the display driving module comprises a timing controller and a memory;

the time schedule controller is electrically connected with the first transmission pin through the first transmission interface and is used for receiving display adjustment data and display data;

the time schedule controller is electrically connected with the memory through a second transmission interface and is also used for providing the display adjusting data to the memory through the second transmission interface;

the memory is used for storing the display adjustment data.

7. The display apparatus of claim 6, wherein the second transmission interface is a QSPI interface.

8. The display device of claim 6, wherein the display driving module further comprises a source driver;

the timing controller is electrically connected with the source driver through a third transmission interface and is used for providing the display data to the source driver through the third transmission interface.

9. The display device according to any one of claims 5 to 8, wherein the display driving module further comprises a power management integrated circuit; the data connector further comprises a second transmission pin;

the data providing unit is further used for providing a power supply voltage signal and providing the power supply voltage signal to the second transmission pin;

the power management integrated circuit is configured to receive the power supply voltage signal from the second transmission pin.

10. The display device according to claim 9, wherein the display driving module comprises a timing controller and a memory; the display device further comprises a circuit board;

the data connector, the time schedule controller, the memory and the power management integrated circuit in the data providing module are arranged on the circuit board.

Technical Field

The invention relates to the technical field of data transmission, in particular to a data connector, a data providing module, a data providing method and a display device.

Background

In the related art, the display adjustment data of the AMOLED notebook is burned into a Flash memory through a data connector, independently from a transmission pin for transmitting the display data. With the trend of increasing Panel size, decreasing battery voltage, increasing pin requirements of client functions, etc., pin resources of data connector interfaces become increasingly tense, and sometimes even considering the use of non-conventional connectors with more than 40 pins.

Disclosure of Invention

The invention mainly aims to provide a data connector, a data providing module, a data providing method and a display device, and solves the problem that the data connector needs to adopt a large number of pins to cause high cost in the prior art.

In order to achieve the above object, an embodiment of the present invention provides a data connector, including a first transmission pin for receiving display data;

the first transmission pin is also used for receiving display adjustment data and providing the display data and the display adjustment data to the display driving module through a first transmission interface;

the display adjustment data includes display uniformity adjustment data and brightness adjustment data.

Optionally, the first transmission interface is an eDP interface.

The embodiment of the invention also provides a data providing module, which comprises a data providing unit and the data connector;

the data providing unit is used for providing display adjustment data and display data to a first transmission pin included by the data connector.

The embodiment of the present invention further provides a data providing method, which is applied to the data providing module, and the data providing method includes:

the data providing unit provides display adjusting data and display data to a first transmission pin of the data connector so as to provide the display adjusting data and the display data to the display driving module through a first transmission interface.

The embodiment of the invention also provides a display device, which comprises a display driving module and the data providing module;

the data providing module is used for providing display adjusting data and display data to the display driving module.

Optionally, the display driving module includes a timing controller and a memory;

the time schedule controller is electrically connected with the first transmission pin through the first transmission interface and is used for receiving display adjustment data and display data;

the time schedule controller is electrically connected with the memory through a second transmission interface and is also used for providing the display adjusting data to the memory through the second transmission interface;

the memory is used for storing the display adjustment data.

Optionally, the second transmission interface is a QSPI interface.

Optionally, the display driving module further includes a source driver;

the timing controller is electrically connected with the source driver through a third transmission interface and is used for providing the display data to the source driver through the third transmission interface.

Optionally, the display driving module further includes a power management integrated circuit; the data connector further comprises a second transmission pin;

the data providing unit is further used for providing a power supply voltage signal and providing the power supply voltage signal to the second transmission pin;

the power management integrated circuit is configured to receive the power supply voltage signal from the second transmission pin.

Optionally, the display driving module includes a timing controller and a memory; the display device further comprises a circuit board;

the data connector, the time schedule controller, the memory and the power management integrated circuit in the data providing module are arranged on the circuit board.

The data connector, the data providing module, the data providing method and the display device receive the display data and the display adjusting data through the first transmission pin, so that pin resources of the data connector can be saved, the number of transmission pins adopted by the data connector is reduced, and the cost is reduced.

Drawings

FIG. 1 is a block diagram of a data connector according to an embodiment of the present invention;

FIG. 2 is a block diagram of a data providing module according to an embodiment of the present invention;

fig. 3 is a structural diagram of a display device according to an embodiment of the present invention;

FIG. 4 is a block diagram of a display device according to at least one embodiment of the invention;

fig. 5 is a structural diagram of a display device according to at least one embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the data connector Cn according to the embodiment of the present invention includes a first transmission pin P11 for receiving display data;

the first transmission pin P11 is further configured to receive display adjustment data, and provide the display data and the display adjustment data to the display driving module 10 through the first transmission interface P21;

the display adjustment data includes display uniformity adjustment data and brightness adjustment data.

In at least one embodiment of the present invention, the number of the first transmission pins P11 may be at least one.

In the data connector according to the embodiment of the present invention, the first transmission pin P11 not only receives display data, but also receives display adjustment data, so that pin resources of the data connector can be saved, the number of transmission pins used by the data connector is reduced, and the cost is reduced.

In the embodiment of the present invention, the display adjustment data is burned into the display driving module 10 through the first transmission Pin P11 for transmitting the display data and the first transmission interface P21 that are already present in the data connector, so that resources of at least 6 pins can be saved, and thus, an unconventional connector (which may be a data connector with more than 40 pins) can be replaced with a conventional connector, thereby achieving an effect of reducing the cost of the data connector by 75%.

In particular implementations, the display adjustment data may include display uniformity adjustment data and brightness adjustment data;

when a display panel is manufactured, there may be non-uniformity in evaporation of an OLED (organic light emitting diode) material and non-uniformity in characteristics of TFTs (thin film transistors) in pixel circuits in the display panel, resulting in electrical and optical non-uniformity, and the display uniformity adjustment data refers to adjustment data required for adjusting the non-uniformity;

as the display panel lighting time increases, the TFT characteristics drift and the optical material characteristics decay, resulting in a decay of the display luminance, the luminance adjustment data being adjustment data required for adjusting the decay of the display luminance.

Optionally, the first transmission interface is an eDP (embedded Display Port) interface, but is not limited thereto.

The eDP interface is a digital interface based on the Display Port architecture and protocol. The interface has the advantages of capability of realizing high-speed simultaneous transmission of multiple data and small electromagnetic interference.

As shown in fig. 2, the data providing module 21 according to the embodiment of the present invention includes a data providing unit 20 and the data connector Cn;

the data providing unit 20 is electrically connected to the first transmission pin P11, and is configured to provide display adjustment data and display data to a first transmission pin P11 included in the data connector Cn.

In practical implementation, the data providing unit 20 may be a Pattern Generator (Pattern Generator), but is not limited thereto.

In actual operation, the data providing unit 20 may provide not only the display adjustment data and the display data to the data connector, but also a power supply voltage signal to the data connector;

the power supply voltage signal may include a battery voltage Vbat, a chip circuit operating voltage VCC, and the like.

The display data may include, but is not limited to, a red pixel data voltage, a green pixel data voltage, and a blue pixel data voltage.

The data providing method of the embodiment of the invention is applied to the data providing module, and comprises the following steps:

the data providing unit provides display adjusting data and display data to a first transmission pin of the data connector so as to provide the display adjusting data and the display data to the display driving module through a first transmission interface.

In the data providing method according to the embodiment of the present invention, the first transmission pin receives not only the display data but also the display adjustment data, so that pin resources of the data connector can be saved.

As shown in fig. 3, the display device according to the embodiment of the present invention includes a display driving module 10 and the data providing module 21;

the data providing module 21 is electrically connected to the display driving module 10, and is configured to provide display adjustment data and display data to the display driving module 10.

In a specific implementation, the data providing module may include a data providing unit and a data connector;

the data providing unit is electrically connected with the first transmission pin and used for providing display adjustment data and display data to the first transmission pin included by the data connector.

In specific implementation, the display driving module may include a timing controller and a memory;

the time schedule controller is electrically connected with the first transmission pin through the first transmission interface and is used for receiving the display adjusting data and the display data;

the time schedule controller is electrically connected with the memory through a second transmission interface and is also used for providing the display adjusting data to the memory through the second transmission interface;

the memory is used for storing the display adjustment data.

In the display device according to at least one embodiment of the present invention, the timing controller may receive the display adjustment data and the display data through the first transmission interface and the first transmission pin, and burn the display adjustment data into the memory through the second transmission interface.

Optionally, the memory may be a Flash (Flash memory), but is not limited thereto.

Optionally, the second transmission Interface may be a QSPI (quad Serial Peripheral Interface) Interface, but is not limited thereto. The QSPI interface is positioned between the time sequence controller and the memory and displays that the transmission of the adjusting data is bidirectional read-write.

In specific implementation, the display driving module may further include a source driver;

the timing controller is electrically connected with the source driver through a third transmission interface and is used for providing the display data to the source driver through the third transmission interface.

The third transmission interface may be a P2P (Point-to-Point) interface, and the display data is transmitted between the timing controller and the source driver through a P2P serial protocol.

The source driver may be configured to provide display data for a pixel circuit included in a display panel of a display device, and the source driver may be disposed at a side of the display panel.

In at least one embodiment of the present invention, the display driving module further includes a power management integrated circuit; the data connector further comprises a second transmission pin;

the data providing unit is further used for providing a power supply voltage signal and providing the power supply voltage signal to the second transmission pin;

the power management integrated circuit is configured to receive the power supply voltage signal from the second transmission pin.

Optionally, the power management integrated circuit may include a lighting power management integrated circuit (EL PMIC) and a Logic power management integrated circuit (Logic PMIC), but is not limited thereto.

In a specific implementation, the data connector may further include at least one second transmission pin, and the second transmission pin is used for transmitting the power supply voltage signal provided by the data providing unit. The power supply voltage signal may include a battery voltage Vbat and a chip circuit operating voltage VCC, and the first second transmission pin may be configured to provide the battery voltage Vbat to the light-emitting power supply management integrated circuit, and the second transmission pin may be configured to provide the chip circuit operating voltage VCC to the logic power supply management integrated circuit.

In at least one embodiment of the present invention, the display device may be an OLED (organic light emitting diode) display device including an OLED pixel circuit;

the light emitting power management integrated circuit may be configured to provide a first power voltage ELVDD and a second power voltage ELVSS to the OLED pixel circuit; the cathode of the OLED in the OLED pixel circuit is connected to the second power supply voltage ELVSS, and the first electrode of the driving transistor in the OLED pixel circuit can be connected to the first voltage terminal voltage ELVDD;

the logic power management integrated circuit may be configured to provide Vgh, Vgl, Vinit, AVDD, and the like, where Vgh may be a maximum on-state voltage for turning on a TFT (thin film transistor), Vgl may be a minimum off-state voltage for turning off the TFT, Vinit may be an initial voltage, and AVDD may be a gamma main voltage.

Optionally, the display driving module includes a timing controller and a memory; the display device may further include a circuit board;

the data connector, the timing controller, the memory and the power management integrated circuit in the data providing module may be disposed on the circuit board.

As shown in fig. 4, the display device according to at least one embodiment of the present invention includes a data providing unit 20, a data connector Cn, a timing controller 51, a memory 52, a light emitting power management circuit 53, a circuit board 50, and a source driver 60;

the data connector Cn, the timing controller 51, the memory 52 and the light emitting power management circuit 53 are disposed on the circuit board 50;

the source driver 60 may be bound to the circuit board 50 in a cof (Chip On film) or COP (Chip On Pi) package form, and the source driver 60 and the timing controller 51 transmit display data through a Point-to-Point (P2P, Point-to-Point) serial protocol;

the Circuit Board 50 may be a PCBA (Printed Circuit Board) for carrying most of the electronic devices, which may include, for example, a timing controller 51, a memory 52, a light-emitting power management integrated Circuit 53, a logic power management integrated Circuit (not shown in fig. 4), etc.;

the timing controller 51 receives the eDP signal generated by the data providing unit 20 and outputs a P2P signal to the source driver 60; the data providing unit 20 may be a graphic generator;

in the embodiment shown in fig. 4, the timing controller 51 is electrically connected to the first transmission pin P11 included in the data connector Cn through a first transmission interface P21, the first transmission interface P21 is an eDP interface, and the embodiment of the invention multiplexes the first transmission pin P11 and the first transmission interface P21 to transmit the display adjustment data and the display data to the source driver 60 through an eDP channel; the number of the first transmission pins P11 may be at least one;

a second transmission interface P22 is disposed between the timing controller 51 and the memory 52, the second transmission interface P22 may be a QSPI interface, and the timing controller 51 burns the display adjustment data into the memory 52 through the second transmission interface P22; the memory 52 may be a Flash (Flash memory);

a third transmission interface P23 may be disposed between the timing controller 51 and the source driver 60, through which the timing controller 51 provides the display data to the source driver 60; the third transmission interface P23 may be a P2P interface;

the data connector Cn may further include a first second transfer pin P12;

the data providing unit 20 is further configured to provide a battery voltage Vbat to the first second transmission pin P12, and to transmit the battery voltage Vbata to the light emitting power management circuit 53 through the first second transmission pin P12.

In the embodiment of the display device shown in fig. 4, the display driving module includes a timing controller 51, a memory 52, a light emission power management circuit 53, and a source driver 60.

In specific implementation, the display driving module may further include a logic power management integrated circuit disposed on the circuit board 50.

As shown in fig. 5, on the basis of the embodiment of the display device shown in fig. 4, the display driving module further includes a logic power management integrated circuit 54; the data connector Cn may further include a second transmission pin P13;

the logic power management integrated circuit 54 is disposed on the circuit board 50;

the data providing unit 20 is further configured to provide a chip circuit operating voltage VCC to the second transmission pin P13, and transmit the chip circuit operating voltage VCC to the logic power management integrated circuit 54 through the second transmission pin P13.

In at least one embodiment of the present invention, the display device may be an AMOLED (active matrix organic light emitting diode) notebook, but not limited thereto.

The display device provided by the embodiment of the invention can be any product or component with a display function, such as a mobile phone, a tablet personal computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.