Invented by Chi Hung Hsiao, Jin-Shou Fang, Kuei-Wen Cheng, Teco Nanotech Co Ltd
The Market For Field Emission With Reflection Layer
Field emission is a relatively recent technology that has emerged with the advancement of nanoscale semiconductor materials. It finds applications in cold cathode devices, miniature microwave generators and monochromatic electron sources as well as microelectronics.
In this study, freestanding ZnS nanotipped arrays and hollow tubules were electroplated within polycarbonate track-etch membranes (TEMs). Field emission characteristics were assessed under vacuum conditions at ambient temperature.
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Field emission displays are flat panel display technologies that use large area field electron emission sources to deliver electrons that strike a colored phosphor and produce an RGB image. They’re ideal for image visualization devices as well as instrument and automotive industries.
The market for field emission with reflection layer is expected to expand at a compound annual growth rate (CAGR) of 9% from 2022-2029, driven mainly by rising demand for electronic devices and technological advancements within this industry.
DBMR has conducted an in-depth analysis of the global field emission with reflection layer market in order to gain a comprehensive insight. This research encompasses various segments within this sector, such as component, application, display size and end user.
These insights are then collated into a comprehensive report to give readers a complete picture of the market. The study highlights trends, drivers, and restraints impacting it; additionally it offers data on market size, segmentation by component, application, display size as well as competitive landscape.
This report analyzes the global market by region, focusing on North America, Europe, Asia-Pacific and the Rest of the World. Each major region is analyzed in terms of value, volume and average selling price.
This report offers an overview of the major players in the global field emission with reflection layer market, outlining their core competencies, investments in R&D, new product launches, and market strategies. A competitive analysis is also conducted to estimate their market share, capacity, output, price, as well as their strategy to gain market share and develop within this space.
Another crucial aspect of the field emission with reflection layer market is that it requires advanced infrastructure for production and testing. This could potentially pose a significant barrier in the way of further growth for this market in the future.
Companies in the global field emission with reflection layer market are investing heavily in R&D efforts to expand their market share. To do so, these businesses have implemented strategies such as partnerships, collaborations, and mergers & acquisitions to gain a stronger foothold in this competitive space.
The market for Field emission with reflection layer is expected to expand at a compound annual growth rate (CAGR) of % during the forecast period. This industry’s expansion can be attributed to shifting preferences towards organic LED display technology in smartphones, laptops, tablets and various accessories, expediting automotive applications as well as shifting preferences towards anti-reflective coatings in eyewear applications.
The market is segmented based on component (conductive layer, organic material and backlight panel), application (smartphones, tablets, laptops, TVs and OLED display), display size and end user. This helps users analyze market potential across several regions and industries as well as generate accurate calculations and forecasts of sales by type and application.
Furthermore, the report offers insights into the demand and supply for Field emission with reflection layer products in various countries around the world. This data allows users to target niche markets and expand their business operations.
Research analysts anticipate the global market for Field emission with reflection layer to experience substantial growth over the coming years, driven by rising demand for transport displays and touch-based interface tools in learning environments. As such, this market presents investors with a lucrative investment opportunity.
In addition, the report provides an overview of the major players in this market and their strategies. It also covers recent developments and trends within this space, as well as factors driving or hindering market growth.
This report analyzes the global economy and assesses the effect of macroeconomic factors on the market. It includes country-level analysis and segmentation by type, display size and end user. Furthermore, there is a breakdown by region as well as an outlook for 2028.
The market for Field Emission with Reflection Layer is highly fragmented and highly affected by the economic environment and government regulations. Furthermore, this sector of the optical coatings industry is being driven largely by an increase in consumer goods consumption as well as government regulations.
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The Teco Nanotech Co Ltd invention works as followsA field emission display that includes a reflection layer has a better insulating support device. It is important to place a reflection layer onto the insulating support device. The insulating supporting device, which is a special structure, can increase the emission efficiency of phosphors powder over the primary function. The field emission display with reflection layers has an anode, cathode and supporting structures.
Background for Field emission with reflection layer
There are many types of flat panel displays (FPD), including liquid crystal display (LCD), field emission display, plasma display panel, PDP, organic light emitter device, and liquid crystal projection display. These displays have two common characteristics: they are lightweight and thin. Flat panel displays can be used on small panels for devices like cellular phones, while others are best suited for use in large or medium-sized devices such computer monitors and TV screens. Another application for flat panel display devices is the super-large scale digital exhibition board. All flat panel displays are advancing towards the goal of high quality display, large-scale display, and extended service lives.
The field emission display, which has been developed in recent years, is one of the most promising new technologies for display. Its self-emitting capability is the main feature, making it more superior than LCD (which does not have this ability). The FED can display the same quality as a traditional cathode-ray tube (CRT) due to its large viewing angle, low power consumption and high response efficiency. The FED is thinner and lighter than the CRT. The FED can also be developed using the newly invented technology of nanocarbon-tube, which can be used in the FED area.
FIG. 1. In a single structure unit, the structure includes at least one anode structure 10, and a cathode arrangement 20. The spacer, or insulation supporting device 15, is placed between the anode and cathode structures 10 and 20 to provide a vacuum environment boundary and support between the cathode and anode structures 10 and 20. FIG. 1. An anode structure 10 includes at least an anode plate 11, an anode conductive layer 12, and a layer of phosphors. A cathode is composed of at least a cathode glasses-plate 21, an electron emitting layers 23 and 23, a dielectric coating 24, and a gate electrode 25. To maintain the vacuum between the anode and cathode structures 10, 20 and 10, the insulating support device 15 can act as a boundary device. Anode conductive layer 12 may provide high voltage to incite the electron emitting 23 to produce electrons for emission into the phosphors 13 layer of the anode. This will excite the phosphors 13 to create light. A vacuum pumping device creates a vacuum of 10-7 torr in a FED for electrons to move in. Avoid chemical reactions or pollution on the electron emitting layers 23 and 13 as well. To allow the electrons to accelerate enough to strike the phosphors 13 layer with sufficient power, it is important to maintain a gap between the anode and cathode structures.
The FED described above, however, excites the phosphors layer 13, which radiates light at a low voltage. The anode voltage is usually applied below 5KV, which is quite low compared to the CRT anode’s anode voltage of at least 20 KV. The cathode’s emitting energy is very limited and its lighting brightness is also limited. The brightness issue is also being addressed by high density nano-carbon-tube to increase the electrical current density, high-efficiency low voltage phosphors layers, and improvement of the driving electrical circuit. To increase the radiating efficiency and effectiveness of the phosphors layers, one method is to create a reflection layer 14.
A certain CRT application can illustrate the above-mentioned reflection layer. The anode screen is at least 200 millimeters from the electron emitter. Referring to the standard 17-inch CRT, this distance is at most 200 millimeters. This distance allows for an increase in the speed of electrons coming from the cathode and allows them to strike to phosphors layers with 20 KV. FIG. 2 shows the increased emission efficiency and uniformity of phosphors layer 82. 7 illustrates the metal reflection layer (84) being coated on the transparent phosphors layer 82.2 on the glass plate 80. The phosphors layer layer 82 can deflect or reverse-emit light through the coated metal reflection layer. The anode’s structure has the black block array (81) and the metal mask (83), which controls the emission of the electron beam 85. The FED structure shows that the voltage applied to the anode is often higher than 5 KV. Also, the distance between the cathode and anode are usually only a few millimeters. The electron emitting layer 23 cannot emit any electrons with a lower energy than the CRT’s electron emitting energy. The electrons will not be able to penetrate the metal reflection layers 84 (with the phosphors) using the same coating method as the conventional CRT. The FED’s electron power is also reduced by the metal reflect layer, which results in a low radiating efficiency (of radiation) of the FED.
For the above reasons, another convention technique from Taiwan Patent in Pub. No. No. 2. This special structure includes an anode plate 91 that carries the phosphors powder layers 93, 95 and 95 as well as the black block array. The supporting device (having the support function between the anode & cathode), has the reflection layer added to the surface facing the Phosphors powder layer 93. Reflection layer 92 can be used to reflect deflected or reverse-emitted light from the phosphors dust layer 93. The reflection layer 92 is not attached directly to the phosphors 93 layer. This arrangement of reflection layers 92 can increase brightness by not absorption electrons. The entire process described in FIG. 2. The exposure and developing-out method is used. A complex thin film process is also applied. This is due to the high cost of the equipment. The special structure of the thickness of 500 mm makes it difficult to make the 20 inch display panel. Display panel application is therefore simple and straightforward.
In recent years, a novel style of support device was introduced in the LCD panel. It is used as a layer-separating device. FIG. FIG. 5 shows the support device as provided by the thermal expansion moduleus, which is similar to glass. The entire display panel’s thickness is approximately 500 mm to 1500 m. The supporting device can also be etched with multiple holes 42. The diameter of the holes must be equal to the size of the array cell on the cathode or anode. Also, the supporting device can be used to support the entire structure between the anode & cathode. The FED has a vacuum inside so the panels of the cathode and anode keep it from collapsing. Glass balls, glass cross-shaped glasses or glass strips are the most common supporting devices for the FED. In a binding process, the supporting devices hold the anode or cathode together with a chemical. In the binding process, the fixing chemical is sintered. The scale of the supporting device for an FED image display is typically maintained at 50 m to 200m. It is important to note that the outline dimension of the supporting devices is extremely small. This can lead to complications.
First, because the conventional supporting devices can be small, the location-arranging machine must be very precise. This makes it difficult to locate the supporting device. The second is that the attaching of the fixing chemicals to the supporting device can cause pollution. To attach to the panel, the traditional supporting device must touch it. Next, heat the panel to attach the fixing chemical. However, the panel may be contaminated by the attachment process. The fixing chemical may evaporate during the sintering of the panel, further contaminating the panel. These shortcomings of the existing supporting device make it clear that a new device is needed to address them and lower the manufacturing costs.
The inventor created a new structure by modifying the insulating support device 38 and coating a reflection-layer 44. The invention provides support between the anode & cathode, and increases the brightness of phosphors layers. The simplicity of the invention makes it easy to settle. It is unnecessary to use a conventional machine for the placement arrangement of the supporting devices.
The prior art uses an actuating voltage less than 5KV. This is what accounts for the low efficiency in the phosphors layers. Although the traditional technique uses the reflection layer for increasing lighting efficiency, the manufacturing process can be very complicated. Another conventional method makes it difficult to prevent contamination of the display panels. This invention provides an insulating support device 38 that includes a reflection layer. It is designed to increase the FED’s lighting efficiency. Installation of the insulating device according to the present invention is simple. The present invention’s insulating device is easy to make and has a low failure rate.
The principal purpose of the invention is to provide an insulation supporting device 38 to increase the brightness of FED.
The current invention also provides a manufacturing process for an insulation supporting device 38 with a reflection layer. You can make the insulation supporting device 38 yourself and then place it in the FED.
The present invention also provides a packaging method 38 for an insulation supporting device with the reflection layer. The insulation supporting device 38 is suitable for use in an FED, without affecting the air flow path, and can also be used to complete the vacuum packaging process.
The structure of the invention of field emission displays with the reflection layer includes an anode having a phosphors and cathode structures having a nanocarbon-tube layer. An insulation supporting device is located between the cathode and anode structures. To reflect light emitted by the phosphors, the reflection layer faces the cathode structure.
BRIEF DESCRIPTION DES DRAWINGS
The many objects and benefits of the present invention will be easier to understand if you read the detailed description in conjunction with the attached drawings:
FIG. 1. shows a schematic view showing the structure of a prior art field emission display using three electrodes.
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