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The LCD controller is a chip or circuit specially used to control the LCD screen. The LCD controller is responsible for receiving image signals from the host device and converting them into signals suitable for LCD screen display. It adjusts the transmittance of light by controlling the liquid crystal molecules on the LCD screen to display images. Its workflow can be simply divided into the following steps: I
Basic introduction of OLED Definition and advantages of OLED OLED, an Organic light-emitting Diode, is also known as Organic Electroluminesence Display (OELD). OLED is regarded as the next generation of flat display emerging application technology due to its excellent characteristics of spontaneous light, no backlight, high contrast, thin thickness, wide viewing Angle, fast response, flexib
Basic introduction of OLED Definition and advantages of OLED OLED, an Organic light-emitting Diode, is also known as Organic Electroluminesence Display (OELD). OLED is regarded as the next generation of flat display emerging application technology due to its excellent characteristics of spontaneous light, no backlight, high contrast, thin thickness, wide viewing Angle, fast response, flexib
LCD touch screen The two transparent metal layers of the four-wire resistance technology work with a constant voltage of 5V for each layer: one vertical direction and one horizontal direction. A total of four cables are required. Features: High resolution, high speed transmission response. Surface hardness treatment reduces scratches, scratches and anti-chemical treatment. With smooth and matte finish. One time calibration, high stability, never drifting.
Camera Module (CCM) 1. IR Filter This is because the human eye cannot see the infrared light, but the sensor senses it. So the infrared light in the light needs to be filtered out so that the image is closer to what the human eye sees. Sensors, Sensor The sensor is the core
DisplayPort is mainly used to transfer video, audio, USB and other formats of data information between the source side and the device side (such as a computer monitor). The DisplayPort specification is a free license designed to replace VGA, DVI, and LVDS to provide high-performance video transmission channels. Users can use Adapter compatible with current VGA/DVI display devices. While the functionality supported is similar to HDMI, the goal is to complement HDMI, not replace it.
Difference between EDP screen and LVDS screen
Difference between EDP screen and LVDS screen EDP screen line refers to the screen interface for 0.3-0.5 small space welding flat line, divided into single channel and double channel. EDP screen wire is generally 2 groups of strands, 3 groups of strands, 5 groups of strands, 8 groups of strands. Common eDP screen lines are 2 sets of signal lines (stranded wires) and 3 sets of signal lines. LVDS screen line
Camera module Camera Module, full name CameraCompact Module, short for CCM. CCM consists of four parts: lens, sensor, FPC and DSP. A lens, a DSP, and a sensor are the important components that determine the quality of a camera. The key technologies of CCM are optical design technology, aspherical mirror making technology and optical coating technology. Working principle: The light gathered by lens is conver
There are two kinds of zoom, one is digital zoom; One is optical zoom. Digital zoom Digital zoom, digital zoom is through the processor in the digital camera, the image of each pixel area to increase, so as to achieve the purpose of amplification. This technique is like using image processing software to enlarge the area of the image, but the program is carried out in the digital camera.
EDP is a kind of communication interface of computer display screen. The resolution of COMPUTER using EDP display interface is higher than that of LVDS interface. In general, high-definition screen adopts this communication interface, that is, it can realize the function of "wide viewing Angle". EDP and LVDS are video signal interfaces used to connect touch screen or display in INDUSTRIAL PC. The LVDS interface USES a very low voltage swing (about 350mV) to transmit data by
1. What is tft-lcd TFT - Thin film transistor LCD, Liquid Crystal Display TFT - LCD (Thin Film Transistor - Liquid Crystal Display), Thin Film Transistor Liquid Crystal Display, was born in 1960, through continuous improvement, in 1991 formally applied to commercial laptop. As technology mature gradually, the TFT - LCD in various fields gra
The full name of OLED is organic light emitting diode (OLED). Unlike the LCD mentioned earlier, OLED does not need backlight support. OLED is a kind of congenital surface light source technology. The light can be red, green, blue, white and other monochromatic, so as to achieve the full-color effect. It belongs to a new light-emitting principle. The reason why plasma technology, OLED technology and even early CRT technology are praised for their image quality is that they all have the feature of "self illumination". OLED
The full name of VA panel is vertical alignment, which is the panel type widely used in high-end LCD, belonging to wide view panel. There are two kinds of VA, Fujitsu MVA and Samsung PVA. The latter is the improvement and inheritance of the former. Compared with TN, VA has higher contrast, clear and sharp display text, and it can also provide a wider viewing angle and better color restoration. The disadvantage is high power consumption and high price, and VA belongs to soft screen, and ripples will appear when gently scratched by hand.
Design and development of LCD control driver
For LCD screens, it usually consists of a glass substrate, an ITO(Indium Tin Oxide) film, a directional film, and a polarizing board, with two layers above and below. Each sandwich consists of electrodes and grooves formed on the alignment film, with the upper and lower glass substrates aligned at 90 degrees. Liquid crystals are placed in the upper and lower layers, and the liquid crystals are arranged in the direction of the grooves. On the whole, the liquid crystal molecules are arranged like a spiral twist. When an electric field is adde
Advantages of PCBCS control system System design, debugging and maintenance is simple, upper information access is very simple and faster, better design of the entire control system. Because PCBCS is an open system, engineers can design the entire control system faster and better based on existing technical achievements and related knowledge. The debugging and maintenance of the whole system is also very si
Let's first look at the LCD LCD is what we usually call liquid crystal. It needs the support of backlight when displaying content, and the backlight will produce polarized light through glass, color filter, optical film, substrate and directional film, which will inevitably cause loss in color and brightness. The full name of TFT is thin film transistor. In LCD, TFT deposits a thin film on the glass substra
What is mini led? What is the difference between Mini led and micro led?
Mini led, also known as "submillimeter light-emitting diode", refers to the LED with a grain size of about 100 microns, which was first proposed by the Institute of crystal electricity. Mini LED is between traditional LED and micro led, and it is simply an improved version based on traditional LED backlight. Compared with micro led, it has high yield and special cutting characteristics. It can also achieve the form of high curved backlight with soft substrate. With local di
Advantages and disadvantages of mini led, micro led and OLED
Despite the manufacturing obstacles, micro LED technology is still worth looking forward to because it provides more progress than OLED. First of all, it is the reduction of power at maximum brightness, that is to say, under the same low power condition, micro LED can achieve greater brightness. In contrast, the power consumption is 90% lower than LCD, and 50% lower than OLED. This is a huge attraction for portable products such as smart phones, which have a very valuable battery life, which means reducing the power consumption of the scree
Brief introduction of micro LED technology
There are many similarities between micro led and OLED, so compared with LCD, the comparison between micro led and OLED is easier to understand. First of all, we can see from the name that there are LEDs, so they are mainly composed of light-emitting diodes. Therefore, both technologies adopt the form of self illumination. Each red, green and blue sub-pixel can generate its own light source, instead of requiring special backlight components like LCD. Therefore, micro LED display can also provide high contrast and black level, which is the s
What display technologies are OLED and micro led?
OLED (organic light emitting diode), also known as organic light emitting semiconductor display (OLED). OLED is a kind of current type organic light-emitting device, which emits light through carrier injection and recombination. The luminous intensity is directly proportional to the injected current. Under the action of the electric field, the holes produced by the anode and the electrons produced by the cathode will move, inject into the hole transport layer and the electron transport layer respectively, and migrate to the light-emitting l
Self capacitive touch screen,During the detection, the electrode matrix of x-axis and y-axis is detected by the self capacitive touch screen in turn. According to the change of capacitance before and after the touch, the x-axis coordinates and y-axis coordinates are determined respectively, and the touch point coordinates of the capacitance screen are obtained. The coordinates of a single touch point in the x-axis and Y-axis directions are unique. When there are two touch p
Classification of surface capacitance touch screen and projection capacitance touch screen
With the development of time and technology, capacitive touch screen has gradually become the mainstream application of mobile phones, touch displays and other products. Capacitive touch screen represents the mainstream technology of multi touch interface. The projection capacitive touch screen can accurately locate the position of finger touch screen by measuring the tiny change of capacitance. The most critical problem in the application of capacitive touch screen is the influence of electromagnetic interference on the system performance.
What are the characteristics of outdoor industrial LED display
Seeing the word "outdoor" in the LCD outdoor display screen, the first thought is that the environment is outdoor, which is generally used in public places, such as shopping malls, stations, squares and other outdoor advertising machines, bus stops, self-service ordering and so on. Now the outdoor display screen is everywhere. With the diversification of media transmission methods and the development of information technology, the LCD outdoor display screen gradually forms a certain scale, Therefore, it has the character
Compared with DSTN, the main feature of TFT-LCD is to configure a semiconductor switch device for each pixel. Because each pixel can be directly controlled by a point pulse. Therefore, each node is relatively independent and can be controlled continuously. This design method not only improves the response speed of the display screen, but also can accurately control the display gray level, which is the reason why TFT color is more lifelike than DSTN. At present, most notebo
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.