lcd panel 101 factories manufacturer

Flat-panel displays are thin panels of glass or plastic used for electronically displaying text, images, or video. Liquid crystal displays (LCD), OLED (organic light emitting diode) and microLED displays are not quite the same; since LCD uses a liquid crystal that reacts to an electric current blocking light or allowing it to pass through the panel, whereas OLED/microLED displays consist of electroluminescent organic/inorganic materials that generate light when a current is passed through the material. LCD, OLED and microLED displays are driven using LTPS, IGZO, LTPO, and A-Si TFT transistor technologies as their backplane using ITO to supply current to the transistors and in turn to the liquid crystal or electroluminescent material. Segment and passive OLED and LCD displays do not use a backplane but use indium tin oxide (ITO), a transparent conductive material, to pass current to the electroluminescent material or liquid crystal. In LCDs, there is an even layer of liquid crystal throughout the panel whereas an OLED display has the electroluminescent material only where it is meant to light up. OLEDs, LCDs and microLEDs can be made flexible and transparent, but LCDs require a backlight because they cannot emit light on their own like OLEDs and microLEDs.

Liquid-crystal display (or LCD) is a thin, flat panel used for electronically displaying information such as text, images, and moving pictures. They are usually made of glass but they can also be made out of plastic. Some manufacturers make transparent LCD panels and special sequential color segment LCDs that have higher than usual refresh rates and an RGB backlight. The backlight is synchronized with the display so that the colors will show up as needed. The list of LCD manufacturers:

Organic light emitting diode (or OLED displays) is a thin, flat panel made of glass or plastic used for electronically displaying information such as text, images, and moving pictures. OLED panels can also take the shape of a light panel, where red, green and blue light emitting materials are stacked to create a white light panel. OLED displays can also be made transparent and/or flexible and these transparent panels are available on the market and are widely used in smartphones with under-display optical fingerprint sensors. LCD and OLED displays are available in different shapes, the most prominent of which is a circular display, which is used in smartwatches. The list of OLED display manufacturers:

MicroLED displays is an emerging flat-panel display technology consisting of arrays of microscopic LEDs forming the individual pixel elements. Like OLED, microLED offers infinite contrast ratio, but unlike OLED, microLED is immune to screen burn-in, and consumes less power while having higher light output, as it uses LEDs instead of organic electroluminescent materials, The list of MicroLED display manufacturers:

LCDs are made in a glass substrate. For OLED, the substrate can also be plastic. The size of the substrates are specified in generations, with each generation using a larger substrate. For example, a 4th generation substrate is larger in size than a 3rd generation substrate. A larger substrate allows for more panels to be cut from a single substrate, or for larger panels to be made, akin to increasing wafer sizes in the semiconductor industry.

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Established in 1998, Winstar Display Co., Ltd. is a reliable LCD Display Module Manufacturer and LCD Panel Supplier. Winstar has development of high-quality display module products. We operate worldwide, configure, service products, and also provide logistics support to deliver products and services competitively. We provide LCM Modules including monochrome TN/STN/FSTN LCM, COG LCD, TFT LCM / TFT panels, FSC-LCD, graphic LCM, character LCD displays, OLED display modules (PMOLED), custom LCD displays, OLED and LCD panel.

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APT4010A(x) is a panel computer built on a PC platform. It is designed to be mounted on the switchboard front panel. The computer includes the main processor ...

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... properties, the RS PRO 7-segment LCD display is clear and easy to read. It"s an ideal choice when you need an LCD panel that works well in both direct sunlight and low-light conditions.

This 7 inch TFT LCD display is made by TianMa,it suit for industry control, instrumentatiom,medical electronics, power electric equipment applications.

This 10.1 inch TFT LCD display module is made by TianMa. it suitable for industry control, instrumentatiom,medical electronics, power electric equipment applications.

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Important technical improvements of LCD, such as LED backlighting and wide viewing Angle, are directly related to LCD. And account for an LCD display 80% of the cost of the LCD panel, enough to show that the LCD panel is the core part of the entire display, the quality of the LCD panel, can be said to directly determine the quality of an LCD display.

The production of civil LCD displays is just an assembly process. The LCD panel, the main control circuit, shell, and other parts of the main assembly, basically will not have too complex technical problems.

Does this mean that LCDS are low-tech products? In fact, it is not. The production and manufacturing process of the LCD panels is very complicated, requiring at least 300 process processes. The whole process needs to be carried out in a dust-free environment and with precise technology.

The general structure of the LCD panel is not very complex, now the structure of the LCD panel is divided into two parts: the LCD panel and the backlight system.

Due to the LCD does not shine, so you need to use another light source to illuminate, the function of the backlight system is to this, but currently used CCFL lamp or LED backlight, don’t have the characteristics of the surface light source, so you need to guide plate, spreadsheet components, such as linear or point sources of light evenly across the surface, in order to make the entire LCD panel on the differences of luminous intensity is the same, but it is very difficult, to achieve the ideal state can be to try to reduce brightness non-uniformity, the backlight system has a lot to the test of design and workmanship.

In addition, there is a driving IC and printed circuit board beside the LCD panel, which is mainly used to control the rotation of LCD molecules in the LCD panel and the transmission of display signals. The LCD plate is thin and translucent without electricity. It is roughly shaped like a sandwich, with an LCD sandwiched between a layer of TFT glass and a layer of colored filters.

LCD with light refraction properties of solid crystals, with fluid flow characteristics at the same time, under the drive of the electrode, can be arranged in a way that, in accordance with the master want to control the strength of the light through, and then on the color filter, through the red, green, blue three colors of each pixel toning, eventually get the full-screen image.

According to the functional division, the LCD panel can be divided into the LCD panel and the backlight system. However, to produce an LCD panel, it needs to go through three complicated processes, namely, the manufacturing process of the front segment Array,the manufacturing process of the middle segment Cell, and the assembly of the rear segment module. Today we will be here, for you in detail to introduce the production of the LCD panel manufacturing process.

The manufacturing process of the LCD panel Array is mainly composed of four parts: film, yellow light, etch and peel film. If we just look at it in this way, many netizens do not understand the specific meaning of these four steps and why they do so.

First of all, the motion and arrangement of LCD molecules need electrons to drive them. Therefore, on the TFT glass, the carrier of LCD, there must be conductive parts to control the motion of LCD. In this case, we use ITO (Indium Tin Oxide) to do this.ITO is transparent and also acts as a thin-film conductive crystal so that it doesn’t block the backlight.

The different arrangement of LCD molecules and the rapid motion change can ensure that each pixel displays the corresponding color accurately and the image changes accurately and quickly, which requires the precision of LCD molecule control.ITO film needs special treatment, just like printing the circuit on the PCB board, drawing the conductive circuit on the whole LCD board.

This completes the previous Array process. It is not difficult to see from the whole process that ITO film is deposited, photoresist coated, exposed, developed, and etched on TFT glass, and finally, ITO electrode pattern designed in the early stage is formed on TFT glass to control the movement of LCD molecules on the glass. The general steps of the whole production process are not complicated, but the technical details and precautions are very complicated, so we will not introduce them here. Interested friends can consult relevant materials by themselves.

The glass that the LCD board uses makes a craft also very exquisite. (The manufacturing process flow of the LCD display screen)At present, the world’s largest LCD panel glass, mainly by the United States Corning, Japan Asahi glass manufacturers, located in the upstream of the production of LCD panel, these manufacturers have mastered the glass production technology patents. A few months ago, the earthquake caused a corning glass furnace shutdown incident, which has caused a certain impact on the LCD panel industry, you can see its position in the industry.

As mentioned earlier, the LCD panel is structured like a sandwich, with an LCD sandwiched between the lower TFT glass and the upper color filter. The terminal Cell process in LCD panel manufacturing involves the TFT glass being glued to the top and bottom of a colored filter, but this is not a simple bonding process that requires a lot of technical detail.

As you can see from the figure above, the glass is divided into 6 pieces of the same size. In other words, the LCD made from this glass is finally cut into 6 pieces, and the size of each piece is the final size. When the glass is cast, the specifications and sizes of each glass have been designed in advance.

Directional friction:Flannelette material is used to rub the surface of the layer in a specific direction so that the LCD molecules can be arranged along the friction direction of the aligned layer in the future to ensure the consistency of the arrangement of LCD molecules. After the alignment friction, there will be some contaminants such as flannelette thread, which need to be washed away through a special cleaning process.

After the TFT glass substrate is cleaned, a sealant coating is applied to allow the TFT glass substrate to be bonded to the color filter and to prevent LCD outflow.

Finally, the conductive adhesive is applied to the frame in the bonding direction of the glass of the color filter to ensure that external electrons can flow into the LCD layer. Then, according to the bonding mark on the TFT glass substrate and the color filter, two pieces of glass are bonded together, and the bonding material is solidified at high temperatures to make the upper and lower glasses fit statically.

Color filters are very important components of LCD panels. Manufacturers of color filters, like glass substrate manufacturers, are upstream of LCD panel manufacturers. Their oversupply or undersupply can directly affect the production schedule of LCD panels and indirectly affect the end market.

As can be seen from the above figure, each LCD panel is left with two edges after cutting. What is it used for? You can find the answer in the later module process

Finally, a polarizer is placed on both sides of each LCD substrate, with the horizontal polarizer facing outwards and the vertical polarizer facing inwards.

When making LCD panel, must up and down each use one, and presents the alternating direction, when has the electric field and does not have the electric field, causes the light to produce the phase difference and to present the light and dark state, uses in the display subtitle or the pattern.

The rear Module manufacturing process is mainly the integration of the drive IC pressing of the LCD substrate and the printed circuit board. This part can transmit the display signal received from the main control circuit to the drive IC to drive the LCD molecules to rotate and display the image. In addition, the backlight part will be integrated with the LCD substrate at this stage, and the complete LCD panel is completed.

Firstly, the heteroconductive adhesive is pressed on the two edges, which allows external electrons to enter the LCD substrate layer and acts as a bridge for electronic transmission

Next is the drive IC press. The main function of the drive IC is to output the required voltage to each pixel and control the degree of torsion of the LCD molecules. The drive IC is divided into two types. The source drive IC located in the X-axis is responsible for the input of data. It is characterized by high frequency and has an image function. The gate drive IC located in the Y-axis is responsible for the degree and speed of torsion of LCD molecules, which directly affects the response time of the LCD display. However, there are already many LCD panels that only have driving IC in the X-axis direction, perhaps because the Y-axis drive IC function has been integrated and simplified.

The press of the flexible circuit board can transmit data signals and act as the bridge between the external printed circuit and LCD. It can be bent and thus becomes a flexible or flexible circuit board

The manufacturing process of the LCD substrate still has a lot of details and matters needing attention, for example, rinse with clean, dry, dry, dry, ultrasonic cleaning, exposure, development and so on and so on, all have very strict technical details and requirements, so as to produce qualified eyes panel, interested friends can consult relevant technical information by a search engine.

LCD (LC) is a kind of LCD, which has the properties of light transmission and refraction of solid Crystal, as well as the flow property of Liquid. It is because of this property that it will be applied to the display field.

However, LCD does not emit light autonomously, so the display equipment using LCD as the display medium needs to be equipped with another backlight system.

First, a backplate is needed as the carrier of the light source. The common light source for LCD display equipment is CCFL cold cathode backlight, but it has started to switch to an LED backlight, but either one needs a backplate as the carrier.

CCFL backlight has been with LCD for a long time. Compared with LED backlight, CCFL backlight has many defects. However, it has gradually evolved to save 50% of the lamp and enhance the transmittance of the LCD panel, so as to achieve the purpose of energy-saving.

With the rapid development of LED in the field of lighting, the cost has been greatly reduced.LCD panels have also started to use LED as the backlight on a large scale. Currently, in order to control costs, an LED backlight is placed on the side rather than on the backplate, which can reduce the number of LED grains.

At the top of the diffusion plate, there will be 3~4 diffuser pieces, constantly uniform light to the whole surface, improve the uniformity of light, which is directly related to the LCD panel display effect. Professional LCD in order to better control the brightness uniformity of the screen, panel procurement, the later backlight control circuit, will make great efforts to ensure the quality of the panel.

Since the LCD substrate and the backlight system are not fixed by bonding, a metal or rubber frame is needed to be added to the outer layer to fix the LCD substrate and the backlight system.

After the period of the Module, the process is completed in LCM (LCDModule) factory, the core of this part of the basic does not involve the use of LCD manufacturing technology, mainly is some assembly work, so some machine panel factories such as chi mei, Korea department such as Samsung panel factory, all set with LCM factories in mainland China, Duan Mo group after the LCD panel assembly, so that we can convenient mainland area each big monitor procurement contract with LCD TV manufacturers, can reduce the human in the whole manufacturing and transportation costs.

However, neither Taiwan nor Korea has any intention to set up factories in mainland China for the LCD panel front and middle manufacturing process involving core technologies. Therefore, there is still a long way to go for China to have its own LCD panel industry.

While there are many different manufacturers of LCD monitors, the panels themselves are actually only manufactured by a relatively small selection of companies. The three main manufacturers tend to be Samsung, AU Optronics and LG.Display (previously LG.Philips), but there are also a range of other companies like Innolux and CPT which are used widely in the market. Below is a database of all the current panel modules manufactured in each size. These show the module number along with important information including panel technology and a detailed spec. This should provide a detailed list of panels used, and can give you some insight into what is used in any given LCD display.

Note:These are taken from manufacturer product documentation and panel resource websites. Specs are up to date to the best of our knowledge, and new panels will be added as and when they are produced. Where gaps are present, the detail is unknown or not listed in documentation. The colour depth specs are taken from the manufacturer, and so where they specify FRC and 8-bit etc, this is their listing. Absence of such in the table below does not necessarily mean they aren’t using FRC etc, just that this is how the manufacturer lists the spec on their site.

As a professional industrial LCD display and touch screen manufacturer in china, CDTech offers superior quality and highly reliable industrial display solutions with Iong lifetime, high stability, high brightness, extreme temperatures operations, and touch & display integration. Mainly used for industrial control, human-computer interface, instrument, elevator, etc. applications. The size of LCD display ranges from 2.4 to 10.1inch. For the special environment and extreme weather, our products can be designed with touchable by gloves, water-resistant, Anti-condensation, shatterproof and Anti-UV, etc.

With the development of industry and technology, intelligence has become an important direction for industrial transformation. Industrial LCD screens are widely used in our daily life. CDTech offers industrial LCD displays with high standards for service life, performance, technical support and other aspects. They are currently ideal LCD screens.

2. Industrial LCD screen has high definition and high brightness. The resolution of a single screen can reach 1080P, the high color saturation can reach 92%, the brightness ranges from 500~3000cd/m2, with a high contrast ratio of 3000:1.

3. The industrial LCD monitor has a long service life and can last for a long time, working continuously for 24 hours a day. LCD screen service life can be as high as 5-10 years.

5. with non-radiation, low energy consumption, energy saving and environmental protection. Compared with the CRT monitor, the LCD screen consumes only one third of the power consumption of the CRT.

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NDSsi uses only “Grade A” LCD panels in all of its products, while many competitors use “Grade B” panels in order to save cost, and as a result compromise quality. In medical applications, it is important not to compromise the quality of the displayed image since it is often the basis for making clinical decisions. The following tables and images show the differences between “Grade A” and “Grade B” LCD panels in terms of different types of allowable defects.

There are essentially two different types of pixel defects, bright (stuck pixels) and dark (dead pixels).The table and images below show the differences between Grade A and Grade B LCD panels in terms of allowable pixel defects.

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Feast for the eyes. Selecting a laptop with a good LCD panel is essential for an enjoyable viewing experience. In this article, we will look into several factors that determine an ideal LCD panel for a laptop, including display size, resolution, refresh rate, and other characteristics that gamers should be looking at for a gaming experience that is both immersive and offers a competitive edge at the same time. We take the implementation of LCD displays in MSI laptops as examples to explain the basics. (Sponsored article.)

Display technology seems to be pretty straightforward at first sight — just decide on the resolution and you"ll be good to go, right? Wrong. A lot of stuff goes on behind the scenes to ensure vivid visuals for an enhanced viewing experience. Modern laptop displays have come a long way and bring increased complexities that need to be properly evaluated to ensure that you"re getting your money"s worth. Factors such as screen size, resolution, refresh rates, response times, color gamut coverage, and panel choice and quality are all variables that can make or mar the viewing experience. That is the reason Notebookcheck tests out each of these parameters in all our laptop reviews.

In this article, we will take a look at how these parameters are factored in while deciding on a laptop display for gamers. We will restrict our discussion to LCD panels since OLED displays are still yet to mature enough to be used as gaming displays. We illustrate some of the concepts by showing examples from MSI gaming notebooks such as the MSI GT76 9SG.

The LCD panel size (measured diagonally) directly influences the laptop"s chassis. The general LCD panel sizes used in MSI laptops include 14, 15.6, and 17.3-inches. Thin and light laptops usually use 14-inch and 15.6-inch screens while desktop replacements can go up to 17.3-inches. A screen size that aids your workflow is very important as is the display resolution, which we will come to shortly. Designers, photo and video editors, and workstation users would do best with larger displays whereas internet surfers and document writers can make do with the smaller ones as well. Gaming and entertainment can also benefit from bigger screen sizes for a more immersive viewing experience.

Refresh rates have a direct impact on the overall viewing experience. Basically, refresh rate denotes the number of times an LCD panel can refresh its image data. A display with a refresh rate of 60 Hz can refresh its on-screen content 60 times a second. Most laptop displays today offer a default 60 Hz refresh rate with some panels even offering up to 144 Hz. Higher refresh rates result in a smooth viewing experience without any perceivable lag in gaming or even while interacting with GUI elements in general.

While 144 Hz is a high-enough refresh rate, this year, MSI"s laptops have upped the ante by offering 240 Hz panels as well. This eliminates any instance of screen tearing and enables competitive gameplay in fast-paced titles where every single frame can mean the difference between winning and losing.

The human eye can discern a wide range of colors and shades, but an LCD monitor can only reproduce a limited part of the visible color spectrum. The range of colors that can be reproduced by an LCD display constitutes its color gamut. Support for a wide color gamut means that the LCD panel can deliver more accurate color.

Modern LCD panels usually refer to coverage of a certain color gamut standard to convey to the buyer a sense of what to expect from the display"s color reproduction abilities. Commonly used standards include sRGB, NTSC, and Adobe RGB. We will discuss more about color gamut standards and color accuracy in our upcoming article on laptop LCD displays for content creators.

sRGB is the commonly used color gamut standard across LCD monitors, printers, and most digital cameras. However, the overall color range of sRGB is very limited and does not include highly saturated colors. Adobe RGB overcomes this limitation, and displays supporting this color gamut standard can display a much more vivid color profile, especially when considering the greens. The image below illustrates this nicely.

The choice of LCD panel influences all the factors listed above. Commonly used laptop LCD panels fall into three categories: Twisted Nematic (TN), In-Plane Switching (IPS), and Indium Gallium Zinc Oxide (IGZO) panels. Let"s have a brief look at each of them.

In a typical TN panel, the TN liquid crystal (each crystal molecule corresponds to a pixel) is sandwiched between two electrodes and polarizers oriented in perpendicular phases to each other. So in an uncharged state, i.e. when current is not passed, light cannot pass from one polarizer to the other as it gets effectively blocked. When current is applied, the TN liquid crystal molecules bend or "twist" the light coming from the first polarizer by 90 degrees so that it can now pass through the second polarizer. Before getting through to the second polarizer, the light passes through color filters for red, blue, and green.

This simple arrangement allows TN panels to offer very low response times. TN panels still constitute the majority of laptop displays as they can be configured to offer response times as low as 1 ms (gray-to-gray) and true 120+ Hz displays on a restricted budget making them an ideal choice for gaming displays. However, TN panels have narrow viewing angles and can only use 6 bits per RGB color, requiring the use of workarounds such as dithering to produce 16.7 million colors.

IPS displays are similar to TN displays for the most part except for the orientation of the liquid crystals. Unlike in TN panels, there is no helical twisting of crystals involved. Rather, the IPS liquid crystal molecules rotate by 90 degrees "in-plane", i.e. horizontally, to allow light to pass through and they are aligned to the display plane at all times. Both the electrodes are placed on the first polarizer so less light from the source can pass through compared to TN, requiring the use of much brighter light sources.

Compared to TN panels, IPS panels offer excellent color reproduction and wide viewing angles but are generally more expensive to produce. IPS panels make an excellent choice for graphics professionals who value color accuracy above anything else. IPS panels generally offer a standard 60 Hz refresh rate, but higher refresh rate options are also available nowadays. A point to be noted is that all IPS panels suffer inherently from some sort of IPS backlight bleeding (IPS glow). IPS glow cannot be avoided, but proper choice of panels during quality control can minimize its effects considerably.

Unlike the difference between IPS and TN panels, IGZO refers to the type of transistor used and not the liquid crystal orientation. IGZO transistors can be used in all kinds of LCD panels including TN, IPS, and even OLED.

Another advantage with IGZO is high electron mobility (20 to 50x more) compared to a-Si, which means better conductivity of current with much smaller transistor size. Although IGZO panels are expensive to produce, they have high refresh rates, higher pixel densities compared to typical a-Si TFT panels and significantly lower leakage current, making them an excellent choice for gamers. A still image displayed on an IGZO-TFT panel consumes way less power as the pixels remain charged without the need for continuous transistor refresh.

MSI not only offers high quality TN panels with fast refresh rates for gamers but also has 240 Hz IGZO options available in premium gaming laptops such as the GT76, GE65, and the GS65.

In this article, we have provided a brief overview into what goes into the design and selection of LCD panels for gaming notebooks. Although you can hook up your laptop to an external desktop monitor for enhanced multitasking, the primary display quality is very much essential when you go mobile. The factors to be prioritized depend on the target audience. For gamers, the primary considerations include low response times and high refresh rates, while professional users place emphasis on color accuracy and higher resolutions. For creatives who also game, it is essential to choose a panel that caters to both work and play. We will be looking into laptop LCD display choices for creative professionals in a subsequent article, so stay tuned for that.

We hope this primer on LCD panel selection for gamers was helpful in offering a high-level know-how into this important aspect of laptop purchase. Watch this space for more upcoming laptop 101 articles, including LCD panel design for creative workflows, touchpad design and more.