In order to reduce the cost of raw materials, the touch panel factory is actively looking for new materials, hoping to replace the indium tin oxide (ITO) film, which accounts for about 40% of the cost. In this context, alternative materials such as metal mesh (Metalmesh), nano-silver wire (Agnanowire), carbon nanotube (CNT), and graphene (Graphene) have emerged, which are favored by major touch manufacturers.
In addition, the main material of indium tin oxide (ITO) film for touch panel is indium tin (Indium), 58% of the world's production is concentrated in mainland China, and the price of indium tin is limited, resulting in price increases. Due to domestic restrictions on indium tin production, touch panel manufacturers have tried their best to develop alternative materials to ensure the price competitiveness of large-size touch panels.
Let's take a look at the layout of these new materials for replacing indium tin oxide (ITO) films.
First, various manufacturers compete to lay out Metalmesh metal grid technology
Metal-Mesh is a touch-sensitive conductive layer different from traditional ITO. One of its features is based on Film. It is currently only one of touch technology, and it is widely used in mobile phones and medium-sized touch screens. MetalMesh has the following advantages: First, from the perspective of process technology, the material will not be wasted, and the cost of the material itself is relatively cheaper. Secondly, the touch screen has low resistance, high conductivity, fast response and perfect user experience.
Beginning in 2013, the touch panel factory grabbed the touch notebook business opportunity and began to lay out MetalMesh metal grid technology. After the launch of the MetalMesh touch panel at the end of this year, Shenghua also announced the launch of the MetalMeshOGS panel.
In response to the trend of thinning and thinning, Shenghua also presented the GFG flexible touch panel, which is expected to be mass-produced in the first half of 2014.
Although the NB market is declining, there are still more than 200 million units in a year. With a market penetration rate of 10 to 20%, the annual shipment of touch notebooks is as high as 2,000 to 40 million units. . Since the ITO conductivity is inferior to that of the metal, after the screen size is enlarged, the touch sensitivity is affected, so the touch panel factory has invested in the development of the MetalMesh touch.
Shenghua said that this year, the successful development of MetalMesh technology, using the exposure machine used in the past TFT panel, MetalMesh on the OGS single-chip touch panel, not only improve the touch sensitivity, but also achieve surface suspension because of the reduced resistance ( Hovering) touch effects. Including mobile phone manufacturers, and NB plants are very interested, and have already sent samples to customers for verification, the fastest in the first half of 2014 is expected to introduce mass production.
Huang Xianxiong, chairman of Shenghua, announced this year that the company is developing a new GFG (GlassFlexibleGlass) touch panel, that is, the outer layer is a protective glass with an ultra-thin flexibleglass flexible glass. Although it is two pieces of glass, the thickness of the ultra-thin glass is only about 0.1 to 0.2 mm, which is not only light and thin, but also has a light transmittance of over 90%.
Shenghua said that GFG touch panel production is relatively easy to standardize, and the cost after mass production can be rapidly reduced, and it is currently being promoted with customers.
This year, various touch panel manufacturers are actively developing MetalMesh touch technology. In October, the mainland touch panel factory Ou Feiguang announced the mass production of MetalMesh touch panels, which are supplied to mainland notebook manufacturers. The interface recently released a full-size MetalMesh touch panel.
According to the interface, customers including mobile phones and tablet PCs are currently in contact, and small shipments can begin in December. As new products of customers are in volume production, it is expected to be fully loaded in the second quarter of 2014. The interface is scheduled to expand in the second quarter of 2014. At present, the production capacity of MetalMesh touch panels is about 50,000 square meters, and will be expanded in the second half of next year, adding another 250,000 square meters.
Second, the touch giant Sui Hong attacked nano silver
Nanowires are a nanoscale (1 nm = 10^-9 m) line. Put another way, a nanowire can be defined as a one-dimensional structure having a lateral limit of less than 100 nanometers (with no limitation in the longitudinal direction). At this scale, quantum mechanical effects are important and are therefore referred to as "quantum wires." Depending on the composition of the materials, nanowires can be divided into different types, including metal nanowires (such as Ni, Pt, Au, etc.), semiconductor nanowires (such as: InP, Si, GaN, etc.) and insulator nanowires (such as: SiO2, TIO2, etc.). Molecular nanowires are composed of repeating molecular elements, which can be organic (eg, DNA) or inorganic (eg, Mo6S9-xIx). As an important part of nanotechnology, nanowires can be used to make ultra-small circuits. In addition to the excellent electrical conductivity of silver, silver nanowires have excellent light transmission and flexural resistance due to the size effect of the nanometer scale. Therefore, it is considered to be the most likely material to replace the traditional ITO transparent electrode, which provides a possibility for flexible, bendable LED display, touch screen, etc., and has been extensively studied for its application to thin film solar cells. In addition, due to the large aspect ratio effect of silver nanowires, it also has outstanding advantages in the application of conductive adhesives and thermal conductive adhesives.
TPK Yuhong cooperates with Japanese writing: attacking nano silver
F-TPK and Hong Kong announced a strategic alliance with Japan to jointly attack nano-silver line (SNW) touch technology to reduce costs and enter the 5 to 6-inch mid-range smart phone touch market to jointly fight the price war of mainland competitors. , returning to the past high profit level.
TPK and Cambrios have previously established TPKFilm, specializing in the development of SNW technology. The current capital is 15 million US dollars. After the introduction of Japanese photo (Japanese), it will increase capital to 25 million US dollars, TPK plus code investment 4 million US dollars, and daily investment of 6.25 million US dollars. The shareholding ratios of TPK, Japanese and Cambrios are 65%, 25% and 10% respectively.
TPK Director Jiang Chaorui said that TPK has cooperated with Cambrios to develop SNW for more than three years. The Japanese translation will introduce thin film process and rolling strip production technology. The two parties will jointly develop global SNW specifications and standards to establish a patent threshold and prevent opponents from entering.
Liu Shiliang, chief financial officer of TPK, said that TPKFilm is scheduled to be proofed in the fourth quarter, and will be mass-produced in the second quarter of next year. The production capacity will reach 2 million in the second half of 2014, initially focusing on smartphones and tablets.
Nano-silver is a transparent conductive material that can be used in the process of touch-sensing conductive pattern structure. Nano-silver touch is the latest and cost-competitive touch technology, which can simplify process and reduce cost.
According to legal person analysis, Shunhong is the only manufacturer of nano-silver touch technology in the overall mobile phone and tablet supply chain. Nano-silver appeals for high performance advantages, but because nano-silver touch technology is not yet popular, the price is high. The touch device is mainly based on low-priced smartphones and tablets. If the technology is not mature and expensive, it may be difficult to enter the market in a short time.
Hao Hong meets low-cost touch competition to launch low-cost nano silver solution
Sun Daming, general manager of Suihong, said that the impact of the rise of incell touch panels last year, Suihong can solve the problem, this year against the low-cost touch panel competition, Suihong will strengthen the layout of low-end products, and launched Low-cost nano-silver solutions are expected to pass smoothly.
Liu Hongliang, chief financial officer of Qihong, pointed out that in the past, Jihong’s genes were high-end products. From the perspective of technological evolution, now we are making low-standard products with technical advantages. Yuhong will develop low-end products, although profit-making The lower the profit and the lower the gross profit, but when the amount is large, the overall profit will be good.
Since the beginning of this year, sales of stylus pens have not been as expected, and the high price is the main reason. Touch panel manufacturers have developed low-cost touch panels to facilitate the stylus market. He said that Shun Hong launched a single-chip touch (OGS) panel to lock the notebook market, in addition to the existing high-end products, it will also launch low-priced products.
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