15.6 Inch TFT LCD Display with 1000 Nits Brightness, Outdoor LCD Display with Full-HD Resolution and 1000 Nits

15.6 Inch TFT LCD Display with 1000 Nits Brightness, Outdoor LCD Display with Full-HD Resolution and 1000 Nits Product Description

SFTO1560SMT-7050A3-N PCAP TFT display is a 15.6 inch color active matrix TFT LCD module using amorphous silicon TFT‘s (Thin Film Transistors) as an active switching devices. This module has a 15.6 inch diagonally measured active a rea with Full-HD resolutions (1920 horizontal by 1080 vertical pixel array). Each pixel is divided into RED, GREEN, BLUE dots which are arranged in vertical stripe and this module can display 16.7M(Round up)(6bit+2FRC) colors and color gamut 45%. The LED driver for back-light driving is built in this model. 

SFTO1560SMT-7050A3-N PCAP TFT display is demostrating graphics and texts on a 1920×3×1080 dotspanel with16.7M(8bit) colors by using eDP (Embedded Display Port) Ver1.2 interface and supplying+3.3VDC supply voltage for TFT-LCD panel driving.In this SFTO1560SMT-7050A3-N TFT-LCD panel, color filters for excellentcolor performance is incorporated to realize brighter and clearer pictures, making this display optimum for use in multi-media applications.Optimum viewings are in all directions.Without Backlight-driving LED controller. EDP transfer rate specification: 2.7Gbps/2 lane 8bit.

* Reserve Type
* eDP interface 
* High-speed response
* 6-bit (Hi-FRC) color depth, Display 16.7M colors
* Incorporated edge type (LED) backlight 
* Compatible with RGB98% and NTSC45% (NTSC72% is available as well)
* High luminance and contrast ratio, low reflection and wide viewing angle
* DE ( data enable ) only
* Rohs and Halogen free
* TEO 6.0, ES6.0 Compliant
* Gamma Correction

Features:

15.6 Inch TFT LCD Display with 1000 Nits Brightness, Outdoor LCD Display with Full-HD Resolution and 1000 Nits Product Image

15.6 Inch TFT LCD Display with 1000 Nits Brightness, Outdoor LCD Display with Full-HD Resolution and 1000 Nits Product Drawing

Introduction to eDP and its differences from DP

Introduction to eDP-specific features

The latest eDP 1.4 version refers to DisplayPort v1.2a. Although DisplayPort is the base specification of eDP, eDP does not fully replicate all of DisplayPort's specifications. There are some features that are defined in DisplayPort that are not supported by the current eDP, such as MST (Multi-Stream Technology), which is used to support multiple displays. Next, we will briefly explain the unique functions of eDP, including Physical Interface, Power Sequencing, Connectivity, Image Authentication and Content Protection, Variable Frame Rate, Backlight Control or Other Panel Functions via AUX Channel, Panel Self Refresh (PSR), Reduced voltage flapping between the main channel and AUX channels, transmission rate selection, display data compression, multi-touch data transmission via AUX, and compatibility testing. Physical interfaces vary depending on the system combination External DisplayPort requires the use of standardized connectors and connects to a variety of different devices through standard DisplayPort cables, but eDP is suitable for closed systems, and the devices that will be connected are completely controlled by the system original equipment manufacturer (OEM), so eDP does not define connector or cable standards, only defines connector terminals (Pin Assignment) for various system combinations, These differences come from how many main channels of display panels are used, and what form of backlight is used.

Most eDP panels on the market today use a 30-pin connector that supports up to two main channels and is equipped with an LED driver chip, or a 40-pin connector that supports up to four main channels and is also equipped with an LED driver chip for high-resolution panel applications. For example, if the eDP rate is pulled to 5.4 Gbit/s, only one main channel is needed to support a panel with a resolution of 1,920x1,200, 60Hz, and a 24-bit color depth. If there is no special limit on the transmission rate, 5.4 Gbit/s is not necessary, but 2.7 Gbit/s can be used to reduce the overall system power consumption and prolong the battery life. In most system architectures, the power consumption generated by one 5.4 Gbit/s main channel will be greater than that of two 2.7 Gbit/s main channels, because 5.4 Gbit/s requires higher performance on the DisplayPort receiver and higher performance requirements for the peer, so as to reduce the impact of signal distortion caused by the transmission path at high speeds. Generally speaking, the connectors selected by the system factory and the panel factory will not be the same, so the physical characteristics of the connector on the motherboard and the connector on the panel are not the same. Depending on the transmission rate, cable length, space constraints, RFI/EMI requirements, LCD clock control chip receiver sensitivity, etc., the connection cable can be a low-cost twisted pair or a higher-priced coaxial cable.

The power supply sequence is related to the response speed of the system

The display usually stops when the mobile device enters standby mode or low power mode, and the panel does not supply power at this time, so the power-on sequence when leaving the standby mode is quite important. The eDP clearly regulates the power-up sequence in order to minimize the system reaction time after leaving standby mode. The eDP specification also defines the allowable length of time for each step, and some brands even define a shorter time than the specification to improve the responsiveness of the product (e.g., after touching the touchpad in standby mode, the screen can be displayed immediately).

eDP connection supports Fast Link Training

In addition to the general links defined by DisplayPort, the eDP must also support Fast Link Training. In the so-called Fast Link Training, the operation is quite similar to the link, but there is no need to communicate through AUX. Fast Link Training is like a link, the output will send the training pattern before sending the normal video screen, so that the receiver can lock the output signal to ensure the quality of the connection, but reduce the action of AUX to verify and transmit the connection result before the video data is output. The main consideration for omitting this step is to save time, as the AUX is transmitted at a low speed of about 1 Mbit/s, and because in a closed system, the panel does not have to interact with the CPU and video drivers. Fast Link Training is designed to understand the condition of the transmission path of the main channel, so that the output can adjust its own characteristics (amplitude and pre-emphasis) and the receiver can adjust the characteristics of the equalizer. The output and receiver must make these adjustments at the same time, and the adjustment of these characteristics is based on the system platform, and the adjustment results are different for different platforms. Another selective feature on the receiver side is No Link Training, which tests the receiver's ability to lock the signal at the output without any special training pattern. This feature further simplifies the application of the system plane, especially when the system moves away from the low-power mode. No Link Training is also an optional feature in PSR.

Video Authentication and Content Protection

The external DisplayPort connector supports High Bandwidth Digital Content Protection (HDCP), which encrypts audio and video data and confirms that the receiver is allowed to prevent copyrighted audio and video content from being intercepted or copied by unauthorized digital image capture devices during transmission. For embedded display devices, the image transmission inside the system still needs to be protected, and eDP defines several image authentication methods to meet this need, the most commonly used method is ASSR (Alternate Scrambler Seed Reset). As explained earlier, the image data transmitted by the main channel is scrambled, so the RFI and EMI can be reduced, and to achieve this effect, the output and receiver must synchronize the work and understand the scramble sequence to properly scramble and reassemble the data. ASSR uses Scramble Sequence, which is only available with eDP displays, which eliminates the need for non-eDP displays to be connected to the eDP output.

Support different display refresh rates

eDP can dynamically control the refresh rate of the display panel, which is designed to reduce power consumption when displaying still images. When the picture is still, the panel refresh rate can be reduced from the normal 60 frames per second to the frequency that will not produce any display anomaly or flicker. Lowering the refresh rate reduces power consumption and extends battery life, with some panels dropping to 40fps or less. Another app that uses different display refresh rates is when playing a movie or playing a game. In game mode, the screen is often displayed only after being calculated by the graphics engine, and there will be a delay in between, in this case, dynamically adjusting the refresh rate of the panel can make the screen display smooth without distortion and delay. When playing movies, you can adjust the 24fps screen to 48fps playback, eliminating the 3:2 pull-down in the traditional 60fps mode.

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