In recent years, with the strong rise of Internet TV brands, color TV industry ushered in new opportunities for development, public data show that China's flat-panel TV sales have grown slightly from 2014's trough to 2015, with a shipment volume of 44 million. station. However, the small increase does not change the market's severity. The Internet TV brand's massive offensive, the traditional color TV market's vowing to defend itself, and the changes in the content organization form, followed by the application of large-scale new technologies. Friends who are concerned about the television industry may all know that the display technology of color TVs is very competitive now. What OLEDs, quantum dots, lasers, etc., are dazzling, and various technologies and concepts have been fought over and over. So, what kind of technology is the protagonist of the future? Before answering this question, we may wish to first look at the respective advantages and shortcomings of these technologies.
When it comes to OLEDs, you have to mention PDPs and LEDs first. PDP (plasma display panel) plasma technology originated in the 90s of last century and was once popular. It was used in the high-end products of various brands, and the price was quite expensive. Unfortunately, it has not yet been popularized and replaced by cheaper LCD LCD screens. Later, the backlight of the LCD was changed from the original CCFL fluorescent lamp to a white LED lamp, resulting in WLED or LED. The OLED does not require an LCD panel, and the RGB color signal is directly displayed by the OLED diode, which not only has a wide viewing angle, but also has a high contrast ratio, a fast response speed, and features of being thin, light, and energy-saving. LG is the absolute support for OLED technology. It launched the first OLED TV in 2013. With LG's investment in OLED and spare no effort to promote it, OLED TV has become the new darling of the consumer electronics market. At present, Skyworth, Changhong and other manufacturers also have OLED TV products. However, OLEDs have high requirements for the integration of technical thresholds and upstream and downstream industrial chains, and the yield rate is low, resulting in obstruction of the production capacity of OLED TVs and higher prices.
Compared with LED TVs, laser televisions have a natural advantage. They have brighter colors and higher brightness than LED displays. They also overcome the uncomfortable feeling caused by the long-term viewing of fluorescent colors produced by the human eye. Can do almost no radiation to the human eye. But this does not mean that it has no disadvantages. First, although the screen is very thin, the laser transmitter still has a certain thickness (about 25cm thick, and the larger the screen size, the greater the thickness). Can not be as thin as the LED LCD TV. The second is that its viewing angle is not as good as that of LCD TVs. The resolution is even the most important short board, and the highest level can only reach 1080P.
Quantum dot display technology is essentially an improvement of LCD display technology, relying on nano-material structure,
When the quantum dot is stimulated by light or electricity, pure and high-quality monochromatic light of different colors will be emitted according to the diameter of the quantum dot. With more precise backlight control, quantum dot technology allows LCD screens to display a wider range of colors, thereby breaking the color gamut limitations, and exerting its advantages of high color purity, strong reduction capability, and excellent color rendering properties. Compared with OLED, quantum dot technology is relatively mature, manufacturing process is relatively complete, and the cost is relatively low. This is the main reason why many manufacturers choose quantum dot technology. The domestic TCL is a typical representative.
What do experts think? The future belongs to quantum dots
Some media reporters interviewed the world’s top nanomaterials scientists, the national Qianjin Personnel Planner Peng Xiaogang, the Academician of the Chinese Academy of Sciences Ouyang Zhongcan, the “Yangtze River Scholar†special professor of the Ministry of Education Sun Hongbo, and Beijing Jiaotong University Professor Xu Zheng, etc. Experts and experts agree that quantum dots will not only bring disruptive improvements to display technology, but will also have broad application prospects in biological sciences, solar cells and other fields, and will be one of the core technological trends that will change the future of humanity.
“Quantum dots are the best luminescent material that humans have discovered so far.†Peng Xiaogang firmly believes quantum dots represent the future of display technology. He believes that the traditional light-emitting materials are mainly divided into organic and inorganic two, two kinds of materials have their own advantages and disadvantages, only the quantum dot luminescent purity is higher than the organic molecules and inorganic phosphors, quantum dot stability and inorganic phosphors quite , but the processing performance is the same as organic molecules. Therefore, quantum dots combine the advantages of organics and inorganics. From the perspective of display industry requirements, quantum dots are based on these materials regardless of their excitation or luminescent properties.
In fact, quantum dot display technology is being considered as the best solution for efficiently improving color gamut in the future. Quantum dot technology can change the wavelength, can present three pure colors of red, blue, green, and white, so that the color gamut of the liquid crystal can be greatly improved, and at the same time, the display technology can achieve breakthroughs from the micron level to the nanometer level of OLED. Brings a purer light source than OLED mixing, achieving the industry's highest 110% NTSC color gamut. At the same time, the application of quantum dot display technology not only enables the TV brightness to be effectively increased by 30% to 40%, but also takes into account the characteristics of energy saving and environmental protection. Therefore, some scholars have predicted that once quantum dot technology is developed with a healthy maturity, it will surely rewrite the display technology development process and become a new direction leading the industry.
Handheld quantum dots, TCL will take a step forward in future display technology
It is understood that TCL is the first Chinese company to propose the concept of quantum dot display. As the earliest, most invested and most profitable enterprise in QD technology deployment, TCL is the only TV company in China with the vertical integration and integration of “liquid crystal module-LCD panel-total machine†full industry chain. TCL is engaged in product R&D and production. With its unique advantages and relying on its own advantages, it has become the first company in the industry to launch QD TVs with strength. As early as 2014, TCL launched China's first Quantum Dot TV H9700, which took the lead in the layout of quantum dots.
"Quantum dot LED electroluminescence will be the most favorable competitor for the next generation of display technology, and quantum dot TV is becoming a representative civilian technology for the entry of nanotechnology into consumer life." Professor Peng Xiaogang emphasized. In fact, it was in the effort of TCL to spare no effort to promote a short period of one year. In the quantum dot field of global technology crowns, Chinese enterprises have become indispensable backbone forces. The QHD TV Quantum Dot TV released by TCL is using quantum dot display materials that are considered as the next-generation display technology, achieving an ultra-high color gamut display of 110% NTSC, which is more than 10% higher than OLED TVs. This new type of backlight allows the display colors to have high purity and color saturation, which is unmatched by other display technologies. At the same time, QUHD TV has realized the perfect fusion of quantum dot display and HDR and other top-notch technologies, bringing incomparable top quality.
At present, the research of quantum dot photoluminescence technology in the global science and technology field is basically at the same level, while China is the world leader in electroluminescent technology of quantum dots. It is reported that quantum dot electroluminescent display has been successfully included in the national key special projects of strategic advanced electronic materials, and has become one of the future development directions of the national strategic level. As one of the companies in the field of advanced quantum dots, TCL has mastered the first-mover advantage in this round of technological competition.
The advantages and disadvantages of OLEDs, quantum dots, and lasers
When it comes to OLEDs, you have to mention PDPs and LEDs first. PDP (plasma display panel) plasma technology originated in the 90s of last century and was once popular. It was used in the high-end products of various brands, and the price was quite expensive. Unfortunately, it has not yet been popularized and replaced by cheaper LCD LCD screens. Later, the backlight of the LCD was changed from the original CCFL fluorescent lamp to a white LED lamp, resulting in WLED or LED. The OLED does not require an LCD panel, and the RGB color signal is directly displayed by the OLED diode, which not only has a wide viewing angle, but also has a high contrast ratio, a fast response speed, and features of being thin, light, and energy-saving. LG is the absolute support for OLED technology. It launched the first OLED TV in 2013. With LG's investment in OLED and spare no effort to promote it, OLED TV has become the new darling of the consumer electronics market. At present, Skyworth, Changhong and other manufacturers also have OLED TV products. However, OLEDs have high requirements for the integration of technical thresholds and upstream and downstream industrial chains, and the yield rate is low, resulting in obstruction of the production capacity of OLED TVs and higher prices.
Compared with LED TVs, laser televisions have a natural advantage. They have brighter colors and higher brightness than LED displays. They also overcome the uncomfortable feeling caused by the long-term viewing of fluorescent colors produced by the human eye. Can do almost no radiation to the human eye. But this does not mean that it has no disadvantages. First, although the screen is very thin, the laser transmitter still has a certain thickness (about 25cm thick, and the larger the screen size, the greater the thickness). Can not be as thin as the LED LCD TV. The second is that its viewing angle is not as good as that of LCD TVs. The resolution is even the most important short board, and the highest level can only reach 1080P.
Quantum dot display technology is essentially an improvement of LCD display technology, relying on nano-material structure,
When the quantum dot is stimulated by light or electricity, pure and high-quality monochromatic light of different colors will be emitted according to the diameter of the quantum dot. With more precise backlight control, quantum dot technology allows LCD screens to display a wider range of colors, thereby breaking the color gamut limitations, and exerting its advantages of high color purity, strong reduction capability, and excellent color rendering properties. Compared with OLED, quantum dot technology is relatively mature, manufacturing process is relatively complete, and the cost is relatively low. This is the main reason why many manufacturers choose quantum dot technology. The domestic TCL is a typical representative.
What do experts think? The future belongs to quantum dots
Some media reporters interviewed the world’s top nanomaterials scientists, the national Qianjin Personnel Planner Peng Xiaogang, the Academician of the Chinese Academy of Sciences Ouyang Zhongcan, the “Yangtze River Scholar†special professor of the Ministry of Education Sun Hongbo, and Beijing Jiaotong University Professor Xu Zheng, etc. Experts and experts agree that quantum dots will not only bring disruptive improvements to display technology, but will also have broad application prospects in biological sciences, solar cells and other fields, and will be one of the core technological trends that will change the future of humanity.
“Quantum dots are the best luminescent material that humans have discovered so far.†Peng Xiaogang firmly believes quantum dots represent the future of display technology. He believes that the traditional light-emitting materials are mainly divided into organic and inorganic two, two kinds of materials have their own advantages and disadvantages, only the quantum dot luminescent purity is higher than the organic molecules and inorganic phosphors, quantum dot stability and inorganic phosphors quite , but the processing performance is the same as organic molecules. Therefore, quantum dots combine the advantages of organics and inorganics. From the perspective of display industry requirements, quantum dots are based on these materials regardless of their excitation or luminescent properties.
In fact, quantum dot display technology is being considered as the best solution for efficiently improving color gamut in the future. Quantum dot technology can change the wavelength, can present three pure colors of red, blue, green, and white, so that the color gamut of the liquid crystal can be greatly improved, and at the same time, the display technology can achieve breakthroughs from the micron level to the nanometer level of OLED. Brings a purer light source than OLED mixing, achieving the industry's highest 110% NTSC color gamut. At the same time, the application of quantum dot display technology not only enables the TV brightness to be effectively increased by 30% to 40%, but also takes into account the characteristics of energy saving and environmental protection. Therefore, some scholars have predicted that once quantum dot technology is developed with a healthy maturity, it will surely rewrite the display technology development process and become a new direction leading the industry.
Handheld quantum dots, TCL will take a step forward in future display technology
It is understood that TCL is the first Chinese company to propose the concept of quantum dot display. As the earliest, most invested and most profitable enterprise in QD technology deployment, TCL is the only TV company in China with the vertical integration and integration of “liquid crystal module-LCD panel-total machine†full industry chain. TCL is engaged in product R&D and production. With its unique advantages and relying on its own advantages, it has become the first company in the industry to launch QD TVs with strength. As early as 2014, TCL launched China's first Quantum Dot TV H9700, which took the lead in the layout of quantum dots.
"Quantum dot LED electroluminescence will be the most favorable competitor for the next generation of display technology, and quantum dot TV is becoming a representative civilian technology for the entry of nanotechnology into consumer life." Professor Peng Xiaogang emphasized. In fact, it was in the effort of TCL to spare no effort to promote a short period of one year. In the quantum dot field of global technology crowns, Chinese enterprises have become indispensable backbone forces. The QHD TV Quantum Dot TV released by TCL is using quantum dot display materials that are considered as the next-generation display technology, achieving an ultra-high color gamut display of 110% NTSC, which is more than 10% higher than OLED TVs. This new type of backlight allows the display colors to have high purity and color saturation, which is unmatched by other display technologies. At the same time, QUHD TV has realized the perfect fusion of quantum dot display and HDR and other top-notch technologies, bringing incomparable top quality.
At present, the research of quantum dot photoluminescence technology in the global science and technology field is basically at the same level, while China is the world leader in electroluminescent technology of quantum dots. It is reported that quantum dot electroluminescent display has been successfully included in the national key special projects of strategic advanced electronic materials, and has become one of the future development directions of the national strategic level. As one of the companies in the field of advanced quantum dots, TCL has mastered the first-mover advantage in this round of technological competition.
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