With the surging LCD technology, technical updates were completed again and again, their own disadvantages gradually improved, forcing the DLP to display the market leader of the year gradually handed over the top spot, the grievances between the two escalated again, but there is no eternal enemy of interests Only the profit-maximizing profit-seeking vision of cooperation and win-win results.
From the incomprehensible point of the needle to Mai Meng to meet with a smile, hatred and hatred, and then to help each other, can be described as a rough road, after many setbacks, and then end the Qin Jin is good. This road has come and gone through a perfect journey of breaking ice, melting ice, and warming ice. What are the past and present of the two LCD and DLP technologies?
First talk about what is the LCD? The LCD is a technique that uses the principle of deflection of a liquid crystal under the influence of a voltage. Since the liquid crystals composing the screen can display the three primary colors of red, green and blue at the same point, or that one point of the liquid crystal is superposed by three points, they are arranged in a certain order, and these liquid crystals are stimulated by the voltage. It can present different colors, and different proportions can present ever-changing colors. The liquid crystal itself does not emit light, it back light tube to light, so the LCD screen depends on the backlight tube. Because the liquid crystal adopts the point of imaging, the more dots in the screen, the finer the imaging effect, the vertical and horizontal dots constitute the resolution of the LCD TV, the higher the resolution, the better the effect, with bright colors, high brightness, High contrast, high resolution, thin thickness, light weight, low energy consumption, long life, no radiation and other advantages.
What about DLP? DLP technology is an original solution that uses optical semiconductors to produce digital multi-light source displays. It uses all-digital signal processing technology. It is a highly reliable all-digital display technology and can be used in a variety of products. At the same time, this solution is also a fully-fledged, independent technology adopted by many electronic companies around the world. Since 1996, more than 5 million systems have been shipped to more than 75 manufacturers. As the pioneer in the display market, DLP pioneered the whirlwind of large-screen splicing and relied on mature technologies to create many pioneering technologies. Many technologies such as large size, small seams, and long-term display of static images make users feel intoxicated. , DLP technology has been widely used to meet the needs of various pursuit of superior quality of visual images. It is also a multi-functional display technology on the market. It is the only display technology that can simultaneously support the world's smallest projector and the largest movie screen. This technique enables images to achieve a high degree of fidelity, giving clear, bright, vivid colors.
DLP splicing large screen has always occupied the high-end display market. With its small splicing gap, it has become the best choice for displaying the background wall. The short service life and high maintenance cost are its disadvantages that cannot be ignored. Nowadays, DLP has perfected the technical shortcomings of brightness and color saturation, reduced the floor space, replaced the projection bulbs on a regular basis, and saved post-maintenance costs. There are capitals that have the strength to compete with the LCD.
Large screen small screen drop distance. However, the appearance of small-pitch LED screens has broken the LCD, DLP, and the situation of your singing. It has become a strong spoiler, the rise of the strong third empire, from the original two tigers to become today's Tribal hegemony. The small-pitch LED breaks through the advantage of DLP's proud seam distance and has an outstanding LCD screen performance. Taking the best of the two, LED's unique backlight performance advantages are outstanding, creating a LED light source DLP projection splicing wall, highlighting the unlimited potential and development trend of new technologies.
The LED is also known as the light emitting diode. Generally speaking, it is the carrier injected in the PN junction. After the minority carrier is combined with the majority carrier, the energy is released and expressed in the form of light. Electroluminescence is achieved. The LED backlight source can directly convert electrical energy into light energy, with high photoelectric conversion efficiency, high color saturation, small size, shock resistance, impact resistance, no toxic substances, low voltage power supply, human security, long life, etc. Salient features. According to the different color of light, LED can be divided into light LED backlight source and RGB-LED backlight source. The advantage of white LED is mainly reflected in the power consumption, widely used in mobile devices with high power consumption requirements; RGB-LED backlight Broad source color gamut, it can significantly improve color performance, through high-purity red, green, and blue LED devices, can now reach 105% NTSC color gamut, if you use better-performing LED, you can achieve more than 120% of NTSC Color gamut is mainly applied to various types of high-end display devices.
In fact, as early as the 1960s, LED was identified as the terminator of lighting equipment such as fluorescent tubes, light bulbs, and even some people believe that LED will create a new era of lighting and eventually appear in all occasions where lighting is needed. The LED backlight used in LCD TVs has also been considered by many in the industry as a replacement for CCFL light sources.
However, LED cannot replace DLP in the short term. DLP technology, as a new technology in the field of projection, is an epoch-making revolution in the display field and has been recognized by the majority of projector manufacturers. DLP technology is the light through its core device - DMD chip micro-mirror reflection after the image, due to the use of the principle of reflection, DLP projector in some aspects has obvious advantages. First of all, DLP projectors have a more compact optical path design and are superior in size and weight. Secondly, the adoption of digital technology has improved light efficiency and image clarity, and the output image of the projector has become clearer, more detailed, and more realistic. In addition, the use of digital micro-reflectors improves the contrast of the picture. The birth of this new projection technology enabled us to finally achieve digital information display after we have the ability to capture, receive and store digital information. DLP technology is an epoch-making revolution in the display field. DLP will open a new page for video projection display. It uses DMD (Digital Micormirror Device) digital microreflectors as light valve imaging devices. The first is the digital advantage of DLP. With the adoption of digital technology, the gray scale of the image is 256-1024 levels, the color is 2563-10243 kinds, the image noise disappears, the picture quality is stable, the accurate digital image can be reproduced continuously, and it is timeless. Followed by the reflection advantage. The application of reflective DMD devices, the imaging device's total light efficiency of more than 60%, the contrast and brightness uniformity are very good. DLP projector has high definition, uniform picture and sharp color. It has abandoned the convergence in the traditional sense, and can be zoomed freely. Adjustment is very convenient; only the resolution is not high, and the resolution is 800×600 without compression (some models The resolution of the latest product has reached 1280×1024).
People need to see each other for a long time, no matter what technology is LCD, DLP or LED, in the display market also need to withstand the time of grinding and experience, when the user bid farewell to the freshness of product technology, not only To the customer's love at first sight, it is also necessary to sustain emotions, nurture feelings, and nurture crystallization so that it is no longer a matter of crossing the river by touching the stones. Instead, it takes a solid step, step by step, and brings more than just a surprise to the user. Instead, it became a powerful guarantee for new product technologies. The mutual fusion of each technology will surely inject new vitality into the development of the industry.
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