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Tonya Display Limited belongs to the Group of Tonya Lighting Technology Co,.Ltd .Tonya display has been dedicating to be a professional manufacturer, designer, exporter of small & middle TFT-LCD modules related products since her establishment. We have been manufacturing, developing TFT-LCD modules from 2.5 inch to 65 inch and driving boards with CVBS,VGA,HDMI and DVI Input to be more suitable for Automotive. Transportation, Portable TVs, Portable DVDs, GPS. Marine Electronics, Test & Measurement Equipment, Handheld Devices, Industrial Process Control and Medical applications etc.. Today, in China, Tonya with added value services is a specialized small & middle TFT-LCD solution provider in the TFT-LCD field. With a highly skilled and motivated team of engineers being focus on continuous R&D development, we not only provide you with state of the art TFT-LCD modules, but also have the skills and the flexibility to apply and integrate TFT-LCD driving systems intelligently to meet your performance, profit, and time to market goals.
Hot Products
  • Innolux 10.4 inch  960×1280 TFT-LCD Panel G104ACJ-L01

    Innolux 10.4 inch 960×1280 TFT-LCD Panel G104ACJ-L01

    G104ACJ-L01 is a 10.4 inch diagonal a-Si TFT-LCD display screen product from Innolux, with a built-in WLED backlight, without backlight driver, without touch screen. This Innolux TFT-LCD is a 10.4 inc
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  • 3.5 inch Video  Signal Input LCD Module

    3.5 inch Video Signal Input LCD Module

    TYA035M02-AV-R TFT LCD module is composed of video driving board and 3.5 inch TFT-LCD ,Input CVBS signal and with PAL & NTSC format.It can acheive auto identification. Have a good application on v
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  • DVI signal input LCD controller for LVDS TFT-LCD

    DVI signal input LCD controller for LVDS TFT-LCD

    TYG070VW01-DVI-2 is a high-performance and high stability of industrial LCD driver board.With wider operating temperature, longer of life, offers VGA, DVI input, using Taiwan Realtek (Realtek) process
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  • Tianma 3.5 inch 320×240 QVGA TFT-LCD TM035KDH03

    Tianma 3.5 inch 320×240 QVGA TFT-LCD TM035KDH03

    TM035KDH03 (Alias: TS035KAAVD03-00) is a 3.5 inch diagonal a-Si TFT-LCD display screen product from TIANMA, with a built-in WLED backlight, without backlight driver, without touch screen. This Tianma
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NEWS
  • 2021/01/06 LCD touch screen
    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. The base layer of the five-wire resistive technology touch screen adds the voltage fields in two directions to the conductive working surface of the glass through the precision resistance network. We can simply understand that the voltage fields in the two directions are applied to the same working surface in a time-sharing manner. The outer nickel-gold conductive layer is only used as a pure conductor, and the position of the touch point is measured by the method of time-sharing detection of the X-axis and Y-axis voltage values of the inner ITO contact point after touch. The five-wire resistive touch screen requires four leads on the inner layer of ITO, and only one conductor on the outer layer. There are 5 lead wires for the touch screen. Resistive touch screen, using pressure sensing for control. The main part of the resistive touch screen is a resistive film screen that fits well with the surface of the display. This is a multilayer composite film. It uses a glass or hard plastic plate as the base layer and is coated with a layer of transparent oxide metal (transparent conductive Resistance) conductive layer, covered with a hardened outer surface, smooth and scratch-resistant plastic layer, and its inner surface is also coated with a layer of coating, there are many small (less than 1/1000 inch) transparent isolation between them Point to separate the two conductive layers for insulation. When the finger touches the screen, the two conductive layers are in contact at the touch point, the resistance changes, signals are generated in the X and Y directions, and then sent to the touch screen controller. The controller detects this contact and calculates the position of (X, Y), and then operates according to the way of simulating a mouse. This is the most basic principle of resistive technology touch screens. Therefore, the resistive touch screen can be operated with harder objects. The key to resistive touch screens lies in material technology. Commonly used transparent conductive coating materials are: ITO, indium oxide, with a light transmittance of 80%. When it is thinner, the light transmittance will decrease, and it will rise to 80% when the thickness is 300 angstroms. ITO is the main material used in all resistance technology touch screens and capacitive technology touch screens. In fact, the working surface of resistance and capacitance technology touch screens is ITO coating. Nickel-gold coating, the outer conductive layer of the five-wire resistive touch screen uses a nickel-gold coating material with good ductility. Due to frequent touches, the outer conductive layer uses a nickel-gold material with good ductility. The purpose is to extend the service life but The process cost is relatively high. Although the nickel-gold conductive layer has good ductility, it can only be used as a transparent conductor. It is not suitable for the working surface of the resistive touch screen because of its high conductivity and the metal is not easy to be very uniform in thickness. It is not suitable for the voltage distribution layer and can only be used as a probe. Floor. The capacitive technology touch screen uses the current induction of the human body to work. The capacitive touch screen is a four-layer composite glass screen. The inner surface and the interlayer of the glass screen are each coated with a layer of ITO. The outermost layer is a thin layer of silica glass protective layer. The interlayer ITO coating is used as the working surface, and the four corners lead out Four electrodes, the inner ITO is a shielding layer to ensure a good working environment. When a finger touches the metal layer, due to the electric field of the human body, a coupling capacitor is formed between the user and the surface of the touch screen. For high-frequency current, the capacitor is a direct conductor, so the finger draws a small current from the contact point. This current flows from the electrodes on the four corners of the touch screen, and the current flowing through these four electrodes is proportional to the distance from the finger to the four corners. The controller calculates the ratio of these four currents to get the touch point position.
  • 2020/12/04 Camera Module (CCM)
    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 of the camera. It is responsible for converting optical signals passing through the Lens into electrical signals, and then converting them into digital signals through the internal AD. Each photoreceptor can only sense one kind of light, and these primitive Data are called RAW Data. Raw Data Data through the ISP (can be understood as the Image Sensor Processor, is part of the Sensor module) treatment to restore the three primary colors, that is to say, if a pixel Sensor is R value, then the ISP will be according to the photosensitive around the G, B value, through interpolation and special effects, etc., to calculate the R point G, B value, so that point of RGB is restored, in addition, the ISP still has a lot of operation, which is described below. Currently, there are two commonly used sensors. One is the CCD (charge coupling) component; One is the CMOS (metal oxide conductor) component. CCD (Charge Coupled Device), charge-coupled Device sensor:Made of a highly sensitive semiconductor material that converts light into electrical charges that are converted into electrical signals via an ANALOg-digital converter chip. A CCD consists of a number of independent photographic units, usually in megapixels. When a CCD surface is illuminated, each unit reflects a charge onto the component, and the signals generated by all the units add up to a complete picture. A Complementary Metal Semiconductor (CMOS) is a Semiconductor made of silicon and germanium that coexists with N(-) and P(+) grades on the CMOS, and the current generated by these two Complementary effects can be recorded by the chip and interpreted as an image. 2. Image processing chip DSP DSP is an important part of CCM. Its function is to transmit the data obtained from the photosensitive chip to the CPU in a timely and rapid manner and refresh the photosensitive chip. Therefore, the quality of THE DSP chip directly affects the picture quality
  • 2020/10/23 DisplayPort
    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. DisplayPort consists of three separate related standards: a peripheral DisplayPort(externalDisplayPort Interface) standard and two internal interfaces DisplayPort standards: Embedded DisplayPort(eDP) and internalDisplayPort(iDP). Since 2010, the External DisplayPort Interface has made some headway in the mobile PC and PC display markets. EDP is mainly used for mobile and embedded devices; IDP is similar to eDP, but is mainly used in digital TELEVISION equipment. EDP and iDP are designed in their respective fields to replace LVDS The DP interface (DisplayPort) is an image display interface that supports not only full HD resolution (1920×1080), but ALSO 4K resolution (3840×2160) and the latest 8K resolution (7680×4320). DP interface not only has high transmission rate, but also is reliable and stable. Signals transmitted by the interface are composed of data Channel signals of image transmission and auxiliary Channel signals of image-related state and control information, including Main Channel (Main Link), AUX Channel (AUX Channel) and Link Training. A special bus, AUX Channel, is provided in DP for the handshake between source and sink. Because the Source is the controller of the process, it makes requests for Sink. The only way for Sink to communicate with the source is to send a pulse in the hot swap detection (HPD) signal. AUX Channel, as an independent bidirectional transmission auxiliary Channel in DP interface, adopts ac coupled differential transmission mode and is a bidirectional half-duplex transmission Channel with a single-direction rate of only about 1Mbit/s to transmit setting and control instructions.
  • 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 is divided into standard line and hd line. LVDS screen interface is 0.5 spaced double row, namely JAE FIRE51P HD line. LVDS screen line (standard line) refers to the screen interface with spacing 1.0 and 1.25, and the terminals are assembled by riveting pressure. Common have single 8 line, double 8 line. Single-octaval lines are mostly FIX-30P and DF141.25-30P, while double-octaval lines are mostly fix-30PIN.
  • 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 converted into electrical signal by CMOS or CCD integrated circuit, and then converted into digital image signal by internal image processor (ISP), which is then processed by digital signal processor (DSP) and converted into standard GRB, YUV and other format image signals. hardware Lens n. Lens is a device that can receive light signals and concentrate them on CMOS/CCD sensor. Lens determines the lighting rate of the sensor. The overall effect is relative to a convex Lens. General structure of the camera lens is composed of a few pieces of lens, points with PLASTIC lens (PLASTIC) and the GLASS lens (GLASS), usually with camera lens the structure are: 1 p, 2 p, 1 g1p, g3p 1, 2 g2p, 4 g, 8 p, etc. The more lenses, the higher the cost; Glass lenses are more expensive than plastic lenses, but glass lenses do a better job of imaging than plastic lenses. indicators 1. The pixel The sensor has a number of light-sensitive units that convert light into electrical charges to form an electronic image of the object. And in the sensor, each light-sensitive unit corresponds to a pixel, the more Pixels, meaning that it is able to sense more details of an object, so that the image is clearer, the higher the pixel, which means the image effect is clearer. 2. The frame rate Refers to the number of images recorded or played per unit time. A series of pictures will produce animation effect if they are played continuously. According to the human visual system, when the playing speed of pictures is greater than 15 frames per second (i.e., 15 frames), the human eye can hardly see the jump of pictures. The flicker will not be detected when it reaches 24 to 30 frames /s (i.e., 24 to 30 frames). Frames per second (FPS), or frame rate, represents the number of times the graphics sensor can be updated per second while in the processing field. A higher frame rate results in a smoother, more realistic visual experience.
  • 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. Part of the pixels on the original CCD image sensor are enlarged by "interpolation" processing method, and the pixels on the CCD image sensor are enlarged by interpolation algorithm to the whole picture. Optical zoom Optical Zoom, or Zoom, is a digital camera that relies on the structure of the Optical lens. The optical zoom mode of digital camera is similar to that of traditional 35mm camera, that is, the lens is moved to zoom in and out of the scene to be photographed. The larger the optical zoom, the farther the scene can be photographed. Optical zoom is produced by changing the position of the lens, the object and the focus. When the image plane moves in the horizontal direction, as shown in the figure below, the vision and focal length will change, and further scenery will become clearer, making people feel like objects progressing. Obviously, there must be two ways to change the Angle of view. One is to change the focus of the lens. In photographic terms, this is optical zoom. To change the focal length of a zoom lens by changing the relative position of the lenses. The other is to change the size of the imaging surface, the diagonal length of the imaging surface, which in today's digital photography is called digital zoom. shoot The scientific name of continuous shooting function is Continuous shooting, which saves the time of data transmission to capture the shooting time. By loading the data into the digital camera's internal high speed storage (cache), rather than transferring data to the memory card, continuous shooting mode can take multiple photos in a short time. Since digital camera needs to go through photoelectric conversion, A/D conversion and media recording, etc., both conversion and recording need time, especially more time. Automatic white balance The English name of White Balance is White Balance. The color of the object will be changed by the color of the light it casts, and the photos taken in different light situations will have different color temperatures. For example, a photo taken with a tungsten light bulb might be yellow. Generally speaking, CCDS have no way to automatically correct for light changes like the human eye does. White balance means that no matter what the ambient light is, having a digital camera default to "white" means that it can recognize white and balance other colors against colored light.
  • 2020/09/10 LCD interface
    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 differential over two PCB routing lines or a pair of balanced cables, i.e. low-voltage differential signal transmission. It is a digital video signal transmission method to overcome the disadvantages of high power consumption and EMI in TTL level mode. The IPC adopts LVDS output interface, which enables the signal to be transmitted at the rate of hundreds of Mbit/s on differential PCB line or balanced cable. Low voltage and low current driving mode realize low noise and low power consumption. EDP interface is a fully digital interface based on DisplayPort architecture and protocol. It can transmit high-resolution signals with simpler connectors and fewer pins, and can realize simultaneous transmission of multiple data, so the transmission rate is much higher than LVDS. EDP interface features: 1. Microencapsulation structure, which can realize simultaneous transmission of multiple data. 2. No LVDS conversion circuit, simple circuit. 3. Small EMI (electromagnetic interference) with powerful copyright protection function. Take the LCD screen with 1920x1200 resolution and 24bit color as an example. If LVDS interface is used, 20 pairs of data transmission lines are needed. With the eDP interface, only four pairs of wires are needed. It can be seen that the eDP interface has obvious advantages, especially in HIGH-DEFINITION screens.
  • 2020/08/31 TFT - LCD profile
    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 gradually replace CRT products, become the mainstream of Display technology. LCD display is the advantages of small power consumption, low work voltage, high resolution, no radiation, the display itself is thin, easy to carry, long service life, etc., because of these advantages, so has been widely used in many fields, such as televisions, monitors, notebook computers, mobile phones, satellite navigation, PDA, etc. Principle of LCD gray-scale display LCD can be divided into Normal black mode and Normal white mode. Take Normal white mode as an example: when no operating voltage is applied to the liquid crystal, the bar liquid crystal will be arranged in an almost flat position. When the applied voltage on the LCD, LCD will with voltage of different, standing in different angles, the voltage, the greater the Angle stand more steep, the less light penetrates the upper and lower polaroid, vertical stand, until the liquid crystal light almost can't through, appears as dark state. To display each intermediate grayscale simply on the LCD and corresponding voltage, transmittance as imposed on the LCD panel voltage increases and decreases.
  • 2020/08/24 OLED
    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 technology can turn off independent pixels and set their brightness to zero. In theory, the contrast of OLED technology can be infinite. Therefore, OLED is impossible to leak light in black field, so as to improve contrast and image quality. In addition, OLED technology does not need the support of backlight, so the LCD and backlight module are omitted, the structure is very simple, and the body can be ultra-thin naturally, about 1 / 3 of the thickness of the traditional LED screen. OLED also has flexible and bendable features, which can not only be applied to TV, but also make intelligent devices full of imagination space in the future. Combined with the characteristics of OLED thin, the screen can be made as thin as a piece of paper and can be bent and folded at will, which is unimaginable in the LCD era. Finally, whether LCD or OLED, as long as it exists, it has its meaning.
  • 2020/08/17 VA panel
    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. The full name of MVA is multi domain vertical alignment (wide area vertical alignment). It is a multi quadrant vertical alignment technology developed by Fujitsu company. Through technology authorization, Qimei electronics, Youda photoelectric and other enterprises are authorized to produce MVA. However, after the financial crisis, the wide-angle panel manufacturers have encountered a crisis. Qimei and Youda think that MVA has high cost and low profit, so they stop supplying to display manufacturers. LG and Samsung are very market savvy. They used C-PVA and e-IPS with little difference in price and TN to occupy the market of MVA in the past. MVA is characterized by very good visual angle, color and gamut, which is much better than general TN, while the disadvantage is that the response time is slightly poor, but the improved p-mva visual angle is close to 178 °, and the response time can be less than 8ms. The full name of PVA is patterned vertical alignment (vertical adjustment of image), which belongs to the category of va. PVA is the successor and pioneer of MVA, and its comprehensive quality has exceeded that of MVA. The improved S-PVA can even keep pace with p-mva to obtain a very short response time and a very wide viewing angle. PVA uses transparent ITO electrode instead of LCD protrusion in MVA. Transparent electrode can obtain better opening rate, minimize the waste of backlight and reduce the possibility of "bright spot" of LCD. Its position in LCD era is equivalent to "long tube" in picture tube era.
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Yoyo HuangMs. Yoyo Huang

Ms. Yoyo Huang

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