exhibition cene expo 2010 in cenal china across the taiwan sait (nanchang) international led exhibition area of the expo is expected to more than 20,000 square meters and over 300 exhibitors to be the audience 20,000 people. 2010 cross-sait (nanchang) international led show, meticulous organization, spirit attack, the exhibition to promote cross-sait cooperation and accomplishing the realization of economic innovation and brand image event, continuing to create "cross-sait first international exhibition of led" for technology and economic innovation and development of new ideas and new impetus for the indusy to promote quality products and provide new channels for scientific and technological achievements.los angeles neon signs
another application is based on the dali bus wider conol mode, the mode of addressing nodes within the system, data signals and address from the insuction combination, grouping of different lighting units can be flexible and achieve a variety of combinations, and set of 16 kinds of lighting scenarios, system reliability, stability, good compatibility. each dali network node, but not more than 64, does not facilitate the application of large-scale lighting situations. in addition, dali system is slow to refresh, limit the led's artistic ability. neon signs wholesale
however, led light-emitting if a point when the full launch of its critical half-angle boundaries and the interface of two materials θc refractive index is related by the following formula: θc = arcsin (ndn1) for gaas and air: θc = arcsin (1/3.9) = 14.90 ° boundary critical angle for the whole firing 29.8 °, above which can not be fired into the air, it is clear that in terms of a sphere, this point is only 8.27% of the area to the whole fired, apparently the internal quantum efficiency is exemely low. led chip, of course, it is a six-sided, not a point source, excluding the elecode in the light barrier, this six-sided six light-emitting surface can have a full critical angle, a total of 49.6% of the light areas. business signs

the researchers say they developed advanced laser coating technology helps components, radar or thermal power eleconic components can be used in high-performance computers, military aerospace, elecic vehicles or renewable energy systems. the researchers pointed out that nano-zinc oxide coating allows the thermal coefficient of copper to enhance the cooling times as mand system technology, and currently still studying, but apparently because of the high density of nucleation sites (nucleation sites) and a better capillarity (capillary pumping action), leading to such maix for each unit of surface area to improve heat ansfer efficiency. if the use of micro channel architecture (microchael architectures) on the mandatory application of the liquid cooling system.led sign
all reverse comparator connected to the output voltage nodes. according to the input / output voltage ratio, the output of the comparator to provide a 3-bit word with the gain conol circuit, gain conol circuit is used to select the smallest gain g, so you get the desired voltage conversion. however, in white led applications, select the correct gain g is not only based on the input and output voltage. figure 5: the switched capacitor white led driver can be used for the four led figure 5 is to enhance the use of adaptive voltage charge pump led drivers, and a bit of a gain of up to five times. connect the input of charge pump vin pin, the output vout pin is connected.neon sign
revealing the whole uth color. indoor full color systems can avoid the excessive data ansmission caused by the complexity of the systems, and indoor full color system also has the following characteristics: because the system part of the most complex data conversion to the chip internal logic are realized in the form, the system changes very simple. 1, simplicity: because the system in the form of internal logic chips used in data conversion, so to make the system very simple. 2, ease of maintenance: due to system maintenance becomes part of eliminating the need for complex conol, so the junior officers to complete system maintenance, which reduces the overall maintenance .led message board

for example, the national memorial theae has just commissioned to axel? morgan patel for the building facades to create a dynamic lighting system. art across the seet and technology institute expansion project to begin, consuction area will be more than double the current. increase in building size, based on appropriate lighting will be more ambitious plans. morgan hospital is designed with a technical lighting works of art, it can with the experimental and the tendency of digital coordination of the consuction site there. since the two theaters just face to face, the designer said with a smile "this will be the visual center of the seet. "so what would happen to those red spots? so far, they are still static, dynamic and fun to light a sidewalk on the" punctuation. "advertising signs
and full on / off conast difference is, the display brightness by adjusting the backlight lamp, so that the signal received by the all white high brightness display, receiving the signal display brightness black lower, then to a larger value. in summary, led backlight ccfl backlight with the cost of aditional point of view, the led backlight technology has become mainseam, with more than no mercury, low energy, color, long life and many other advantages for consumers recognition. meanwhile, the small size led backlight costs have gradually dropped to ccfl backlight and very close to the price.writing board
twinkling of aditional ccfl lamp low frequency performance of dynamic scenes may have the screen jump. flexibility to adjust the light-emitting led backlight frequency, and the frequency much higher than the ccfl, thus a fine display of motion pictures. 5) real-time color management. as an independent 3 color rgb led, it is easy to accurately conol color characteristics of the current display. 6) you can adjust the backlight, white balance, while ensuring the overall conast. when the user's computer and video source switching between dvd drive, you can easily adjust the white balance between 9600k and 6500k, but without sacrificing brightness and conast. 7) for the large size of the screen provides a continuous source array. is a planar led light source, light-emitting unit is the basic.neon signs california

2) ebit (ebit) amounted to 32.5 million (an increase of 58 %), net income of 23 million (an increase of 33%); 3) bonus program in 2008: 0.09 per share; 4) the book to bill ratio was 1? s1; 5) forecast in 2009 alone uncertainty, ebit is still positive. march 12, 2009, the world's leading equipment manufacturers aixon ag announced the deposition ended 31 december 2008 financial report (cs). aixon's revenues in 2008 amount is 274.4 million yuan (unit: euro), up 28% on the previous year. especially given the end-market applications of led compound semiconductor equipment sales higher. in addition, the profit margin of 1% of the rate increase every year to the end of last year 41% profit margin. this is due to (cs) last year released a number of new common platform system suitable for production of some popular product portfolio. market size effect and improve the efficiency of internal operations resulted in operating profit (ebit) rise, its growth rate by 58% to 32.5 million yuan, interest and the marginal income tax rate is 12%. net income increased 33% last year to 2,300 million. flashing boards
asmt-mt00's cost-effective three-color led, luminous flux 108lm. three-color mootone led arranged in the same package of three independent high-power led chips, has a smooth 120o angle of view and thin design, ideal for height limited applications. each chip in the package can withstand 350ma of drive current, and each color can be independently driven and conolled to asmt-mt00 can issue the necessary changes in light color and the ability to bring color, these led products compatible with standard the smt surface mount reflow process, not only reduces design costs, but also for lighting design engineers with higher degrees of freedom on the application design and flexibility. asmt-mt00 has a cavity in the pre-harmonic reflection of red, green and blue produce white light output capacity of stable and consistent, this feature allows design engineers do not need to use in the design of the light mixing device or other light guides.multi-color sign board
the unit cost of oled lighting technology will be less than the original general lighting, high technology, but, oled live longer, more efficient, thereby offsetting its additional cost. in 2008, oled life increased from the original 24,000 hours to 100,000 hours. u.s. department of energy predicted that by 2012, oled lighting efficiency will reach 150lm / w, than the original forecast of a full two years earlier. by this end, 2015, general illumination products will be reduced to 2.3 billion in annual sales. oled technology in manufacturing has also made great progress. general elecic company (ge) and the fraunhofer institute showed that the use of a roll-to-r ll technology to produce oled lamp, production costs will be significantly reduced. in the low-cost printing approaches and new small molecule inks driven, oled backlighting market will smooth eny into the regular nanomarkets predicts that by 2015.neon led writing board

among neighborhoods with heavy affic, this facade is particularly important for pedesians - it functions as a guide identifies the signs to really be able to get angry city into a lively art high quality goods, rather than outdated concrete building suctures. today, the show also block the project partnership to continue to develop and grow. art square being the renovation of infrasucture and reconsuction, the two foundations of new buildings has begun. they are by french architect paul? andrew (paul andreu) designed the san? catherine seet and st. lawrence avenue (saint laurent boulevard) at the junction of the cultural centers and outlets, and by   and schmitt architects firm (diamond and schmitt) designed for the moneal symphony, is expected to be completed in 2011 a new concert hall. advertising signs
therefore, led backlight led life far more than the ccfl backlight. five-led backlight technology advantages: high brightness led backlight brightness adjustment range, the flexibility to adjust the light frequency, frequency much higher than the ccfl backlight, so the presentation of motion picture perfectly. the aditional ccfl backlight flickering lamp light low frequency performance of dynamic scenes, the possible jump of the screen. as a passive lcd display, and will not light itself, it relies on backlight will be light through the display panel to show graphic images. therefore, the backlight of lcd tv technology directly affects the quality. the aditional liquid crystal displays commonly used cold cathode fluorescent lamps (cold cathode fluorescent lam, ccfl) as the light source, and it is caused ccfl lcd color is lacking, with poor color reproduction. writing board
as a new generation lcd panel backlight with low power consumption, high brightness, long life of outstanding features. cclf (cold cathode fluorescent lamp) as the lcd backlight, it can not be the main element is the lack of mercury. this is the familiar mercury, and this element is undoubtedly a substance hazardous to health. ccfl backlight led backlight compared with the aditional, led backlight and ccfl backlight generally the same size compared to commercial grade products can save 40% or more in energy efficiency has greatly improved. in addition, ccfl backlight is the environmental hazards of mercury, a substance very large, but the led backlight does not contain such hazardous substances, more environmentally friendly.neon signs california

undertaker: technology, nanchang nanchang nanchang people's government taiwan affairs office of taiwan investment enterprises association exhibition service co., ltd. nanchang think chong supported by: minisy of commerce of the prc state adminisation of taxation adminisation of the prc state adminisation for indusy of the prc state adminisation of radio, china national tourism adminisation of china international ade promotion committee china federation of indusy of china federation of indusial economics jiangxi provincial people's government of anhui province people's government of henan province people's government of shanxi province provincial people's government of hubei province people's government of hunan provincial people's government  .los angeles neon signs
compared with conventional light sources, such as luminous case, led light point size is very small, the beam angle is also smaller, so its easy to conol the direction of light emitted, but on the other hand, is usually very high surface brightness led light intensity is more concenated, intensity disibution at the maximum, if not handled properly can easily cause glare to the observer. studies have shown that glare will not only cause discomfort decline in efficiency, but also cause visual fatigue and headaches and other adverse reactions. therefore, in indoor applications, its primary and secondary lamps have a high optical design requirements. in addition, as the narrow specal .neon signs wholesale
the energy of photons of different wavelengths is different e, power to ansform light energy is necessarily a loss, the following example to illusate: for example, a d = 630nm of gainalp into the four-orange led, the forward bias for the vf & asym2.2v so it means that an elecon and a hole carrier compound into a desired elecic potential energy er = 2.2ev, and a d = 630nm photons into potential energy as e = hc / into d & asym1240/630 & asym1.97ev, so power to the light energy conversion efficiency n (el) = 1.97/2.2 & time100% & asym90%, that is 0.0.23ev energy loss (ev as the elecon volts.) if a 470nm of gan blue led, the vf & asym3.4v, so easym3.4eev, and easym1240/470 & asym2.64ev, so = 2.64/3.4 & time100% & asym78%, which is assumed nint = 100% at the time. if nint = 60%, while the red led, n (el) = 90% & time60% = 54%, while for the blue led is a n (el) b = 78% & time60% = 47s%. business signs

as a global leader in the lighting indusy, philips had the honor to become the world cities summit 2010, the main sponsor.june 25 at the "hisense elecic appraisal of new products during the first half of 2010" on the blue engine led hisense flat-panel tvs and other 20 models of new technologies and new products are identified by an expert authority, qingdao municipal economic and ade commission, science and technology bureau, information indusy bureau expert committee composed of a high degree of recognition given to them. after a power-driven hisense led backlight technology, the identification of seven new technologies, experts finalized, they reached the international advanced level.led writing board
in asia, rapid economic growth and energy consumption for urban consuction planners to bring a new set of environmental problems. to a study by the united nations, 2008, in southeast asian counies, 45% of the population live in urban areas. 2030, this proportion is expected to reach 56.5%, will give, including the infrasucture, including outdoor lighting to bring a heavier load. philips essentiallineled road lighting series called an ideal green lighting solutions that can help the city create a better environment, but at a lower cost basis to improve the city's livability. son lighting with the existing standard solutions, philips essentiallineled road lighting applications, which can save up to 50% of energy. with ledgine technology, philips essentiallineled road luminous efficiency lighting products can provide up to 85lm / w in the continuous high color lighting.led neon sign
the level of light ansmission and scattering properties for improving the photoelecic conversion efficiency is very important. fuyang superior performance of photovoltaic pv modules and productivity, showing that oerlikon solar production of tco technology has matured, and the scale of demand for indusy ready.epitaxial equipment supplier veeco mocvd system manufacturers further outsourcing to that house in new jersey companies, and to this end cut to a 1 / 4 positions. with the economic crisis on the impact of the semiconductor indusy more widely, veeco iuments is resucturing in a conference call late last year.led signs

under the guidance of the development of low-carbon economy has become nanchang advantage of advanced manufacturing indusy and continue to broaden the field of development, to sengthen international cooperation, organized each year by large-scale investment activities, through the provincial government support and promotion, many taiwan-funded enterprises have settled in nanchang; for the consolidation of economic development on both sides of the long-term stable and friendly cooperation, the jiangxi provincial people's government, convention approved by the office of nanchang, jiangxi science and technology department, people's government of nanchang city, jiangxi province people's government taiwan affairs office, nanchang technology bureau, the taiwan business association and the hong kong exhibition group partners joint institutions and the media indusy more than 200 co-organized in 2010 on september 26 to 28 in the fifth nanchang international .los angeles neon signs
led light intensity, light color or color temperature, to achieve illumination, the color temperature of natural light changes the simulation, in line with human circadian rhythms to light curve. sensors can also be officers, as well as with different colors of light, so lighting scenarios that match specific application needs and psychological needs of the user function, the so-called scene lighting.the fifth cenal china investment and ade expo and the 2010 cross-sait (nanchang) international led show time: 26-28 september 2010 venue: international exhibition cene, nanchang invitation organization: sponsor: nanchang, jiangxi science and technology agency people's government taiwan affairs office of jiangxi provincial people's government .neon signs wholesale
for illusation, we assume that the led material is gaas, the material's refractive index is n1 = 3.9, the interface with the chip contacts the air, its light refractive index n0 = 1, the light from the optical communication theory to know the law of refraction, two different interface refractive index is not the same, the perpendicular to the interface of the light reflection function can be used the following equation to represent: r (l) = [(n1-n0) / (n1 + n0)] 2 & time100% for gaas and air , then there is, r (l) = [(3.9-1) / (3.9 +1)] 2 & time100% = 35.02 this means that there are 35.02% of the photons will be reflected back to the gaas material, which reflected back chip, can not escape into the air, only 64.98 percent are likely to escape into the air. business signs

advantages of three (active investment firms) are associated photoelecic jiangxi, lattice power, yan lei, photoelecic, the year burson-marsteller, poly optoeleconics, kim e, hong yan fire, led components, optoeleconics, manufacturers are actively investing to expand the global market. highlights     bright spot: the government take the stage for enterprises: the minisy of commerce, state adminisation of taxation, state adminisation, state adminisation of radio, the national tourism bureau, ccpit, people's government of jiangxi province, jiangxi province science and technology department, people's government of nanchang, nanchang technology bureau, taiwan affairs office of jiangxi provincial people's government to the national municipal engineering.los angeles neon signs
undertaker: technology, nanchang nanchang nanchang people's government taiwan affairs office of taiwan investment enterprises association exhibition service co., ltd. nanchang think chong supported by: minisy of commerce of the prc state adminisation of taxation adminisation of the prc state adminisation for indusy of the prc state adminisation of radio, china national tourism adminisation of china international ade promotion committee china federation of indusy of china federation of indusial economics jiangxi provincial people's government of anhui province people's government of henan province people's government of shanxi province provincial people's government of hubei province people's government of hunan provincial people's government  .neon signs wholesale
to achieve the region combined dimming lights, adjusting illumination environment, or through different color temperature adjustment for color temperature of fluorescent lamps, lighting performance approach is still relatively simple. rgb color mixing led technology have enabled the regulation of ambient light and color possible and very convenient. led pwm duty cycle is adjusted by adjusting the general approach, the approach can be easily realized in digital form. set aside as long as the digital interface on the drive, that is easy to realize the communication with other digital systems, the system consuction is very simple. figure 1. led lighting conol combined with the key advantage of its flexibility and artistic, select the appropriate system topology. business signs

theae also uses dynamic lighting design, and optimized to better highlight the features of the facade of historical results. morgan patel that the urban lighting planning stage lighting design is more than challenging. design of the stage lighting, the designer is like a sculptor, they are free to create any want viewers to see the scene, and can conol their own preferences ultimate lighting effects. the lighting is very difficult to conol the city, as seet lamps, indoor lighting the buildings, the moon, the sun will be the end of the city have a huge impact lighting effects, it is more complex. morgan ritter to "side of the road in a noisy sing quartet playing" to the people to make a vivid metaphor. cities need to consider more environmental art background, but it is still in his pursuit of art part of it. advertising signs
therefore, led backlight led life far more than the ccfl backlight. five-led backlight technology advantages: high brightness led backlight brightness adjustment range, the flexibility to adjust the light frequency, frequency much higher than the ccfl backlight, so the presentation of motion picture perfectly. the aditional ccfl backlight flickering lamp light low frequency performance of dynamic scenes, the possible jump of the screen. as a passive lcd display, and will not light itself, it relies on backlight will be light through the display panel to show graphic images. therefore, the backlight of lcd tv technology directly affects the quality. the aditional liquid crystal displays commonly used cold cathode fluorescent lamps (cold cathode fluorescent lam, ccfl) as the light source, and it is caused ccfl lcd color is lacking, with poor color reproduction. writing board
led backlight technology advantages of the two: light elegant led backlight is the number of grid-like semiconductors, each "grid" has an led in both the semiconductor, so that you can successfully planar source. the plane of the light source not only has excellent brightness uniformity, do not need a complex optical design. as a result, lcd thickness will be able to do more light, while with higher reliability and stability. belong to the aditional ccfl light tube, to evenly spread the light of their issue to the panel in every region needs a rather complex auxiliary components. its difficult to conol the thickness of the screen, and with the panel increases, the need to use multiple light sources, which further exacerbates the complexity and cost of design, large screen lcd tv which is more sensitive. for example, 50 inches above the lcd or tv product.neon signs california

2) ebit (ebit) amounted to 32.5 million (an increase of 58 %), net income of 23 million (an increase of 33%); 3) bonus program in 2008: 0.09 per share; 4) the book to bill ratio was 1? s1; 5) forecast in 2009 alone uncertainty, ebit is still positive. march 12, 2009, the world's leading equipment manufacturers aixon ag announced the deposition ended 31 december 2008 financial report (cs). aixon's revenues in 2008 amount is 274.4 million yuan (unit: euro), up 28% on the previous year. especially given the end-market applications of led compound semiconductor equipment sales higher. in addition, the profit margin of 1% of the rate increase every year to the end of last year 41% profit margin. this is due to (cs) last year released a number of new common platform system suitable for production of some popular product portfolio. market size effect and improve the efficiency of internal operations resulted in operating profit (ebit) rise, its growth rate by 58% to 32.5 million yuan, interest and the marginal income tax rate is 12%. net income increased 33% last year to 2,300 million. flashing boards
despite the end of last year the market demand dropped sharply by 20% (except for military products, such as radar systems, products widely used in gaas), seriously affect the component suppliers and the whole indusy sucture, i believe this situation will improve. iquint a hit, plus a large number of stock, making a lot of fab utilization rate of decline. january this year, business picked up, quiey also revealed no intention to idle its chip factory. iquint's total revenue last year, $ 573,400,000, an increase over the previous year 21%; generated net profit of just over 4,000 million u.s. dollars. in addition to that period of year-end episode of 2008 could be considered an exaordinary one. in addition, the company also raised a lot of cash last year alone there are 33.5 million u.s. dollars in december, now looks certain they will be beneficial to invest in technology, the time when the market improves again, they can profit. multi-color sign board
the group submitted the sample of the erlangen university in berlin, fritz-haber institute and the california lawrence berkeley national laboratory, their analysis showed that graphene showed a ladder shape, 3μm wide, 50μm long, which prepared than the vacuum out most of the area of 30-200nm. in the feb. 8 issue of nature materials, and the group through the preparation of graphene a single chip made significant progress. in the paper of thomas seyller mentioned, a large area evenly flat platform covered with graphene layers. currently they are seeking a more practical way, in the aditional ula-high vacuum environment is almost impossible to increase production. by using a vertical cold-wall vertical to the growth chamber, followed by annealing. this seems to operate than the ula-vacuum method is much simpler. neon led writing board

by gently a few mouse clicks you can simplify the operation process, cree led lighting indusy is pushing forward.since the new president of the united states passed the 787 billion u.s. dollars obama's stimulus plan, the directly associated with this new initiative, the two leading sic compound semiconductor device manufacturers have shown significant growth. obama follows the government's to grant 2.0 billion u.s. advanced battery and hybrid eleconic systems, u.s. manufacturers. of course, also set aside 4.5 billion to replace aging u.s. power grid. i do not know whether the coincidence, cree announced the same day, which is based on mosfet and sic schottky diode double-switch module close to full production stage. cree, power devices and rf equipment cto john palmour talk about the development of this business, "the 1200v, 100a module represents the next level of integration level of sic power devices.flashing boards
quiey hope that in the second quarter, and noted that the growth in these key areas, including smart phones, china's 3g-building and the wlan handheld devices implanted in them. given the current uncertain global economic situation, we can not give financial forecasts for the next quarter.by using the v-shaped ridge flat subsate replacement chip, led light exaction from a 20-fold increase. the light in the measurement of optical properties of the sample, they measured the light exaction efficiency of the device is 50%, the use of flat chips than the common subsate to be 20 times higher. their physical reactions by simulating the process of evanescent waves to determine the role, academy of sciences in paris, nano, they simulated independently by the project. multi-color sign board
oled backlighting market will reach 1.1 billion. as the first light-emitting oled panel is very small, many of the recent oled plant in asia is still expanding the scale for the production of large oled displays in preparation, which is bound to benefit the oled's basic production facilities, in a few years will enable the inoduction of oled lighting large panel era. oled was flat, and can be bent, can be designed with high value-added lighting to atact high-end consumers, especially the architect's attention. last year, lighting designer ingo maurer inoduced the world's first "lamp-style" oled, ge researchers are working company of light curtains and wallpaper. nanomarkets predicts that by 2015, in the consuction indusy and special indusy oled lighting products in the market will reach 1.9 billion.market analyst yole develoement said that from 2010 onwards, the better the quality of the chip will greatly facilitate the sale of solid state lighting sources, making for air and water disinfection. neon led writing board

remove the chips to engage in a clean tin feet, guided power with a multimeter resistance measurement. hello take a chip and then compare. turn the meter hit the file, the black pen and eight feet 595 feet is the negative connection, and then use the red lead were connected with each foot to see the value displayed on the table, then you sure are good that measured the same foot chip bit values are compared, a difference of more than 50 values in this way to prove that the chip output or input problem. 595 can be measured not only all the chips, can be measured this way, just need to find between two adjacent data to determine the can (preferably two feet, there is a negative one foot.) however, it must be removed to measure accurately. pin can also be judged to determine the voltage between, but did not measure the accurate resistance measurement. led writing board
led and solar applications for the total equipment sales, including the heat source for cigs deposition, last year reached 166 million u.s. dollars, accounting for 43% of the sales veeco, veeco alternative data storage has become the largest city of constant application of led and solar cells equipment, 69% annual rate of increase, lg iotek the accession of q4 last year sales of $ 44,000,000. while some manufacturers, especially from taiwan led manufacturers in recent weeks delayed delivery mocvd time, peeler do not think it means to cancel the order. in any case, these customers will be delivered to the deposit.to provide efficient indusial production of photovoltaic fast ack may be advanced pv1200 metal coating production line to continue in the global consuction company 'expect more' philosophy. led neon sign
the purpose of open up its upseam indusy chain, the formation of systematic management, while reducing component costs, improve product margins. insiders pointed out that in changshu light and power technology's new plant in luoyang crystal growth and wafer plant investment will improve the layout of the inverted pyramid csi artes flexible business model: the largest component plates, cell plate, followed by long this three-section plate crystal descending ladder set minimum. collaborative coexistence to three parts, can achieve the conol of the indusial chain, but also with indusy peers leave space for the exchange, and ultimately designed to achieve csi artes profit margin.fuyang optical (sun well solar) with oerlikon solar thin film technology, production line conditions exceeded the target.led signs

last  2009 china (nanchang) international led landscape lighting and urban development in all sectors with the support of a successful conclusion. the show more than 60 exhibitors from all over the couny, but also by the philips lighting, kingsun, crystalline day lighting, shanxi guangyu technology, bronte optoeleconics, name-core technology, the source of yu, hua hin technology, maohsing technology companies such as love lide song support. most exhibitors expressed satisfaction with the effect of the show and have a song interest in participating in the next show.    main activities 1, cross-sait led and photovoltaic indusy forum 2, the cross-sait business ceo networking reception led 3, led technology across the taiwan sait forum 4, led products and promotion will highlight .   los angeles neon signs
the future, led lighting in the room will be widely used, its combination of technology and lighting conol can get even better results. combined with the lighting conol led lighting conol is the key to the use of computer, wireless data ansmission or power line carrier communication technology and eleconic conol technologies such as a disibuted lighting conol system, to achieve the sength of the light intensity adjustment, timing conol, to achieve lighting regionalization of the scene, personalized conol [1]. generally use the bus conol mode, requiring conolled lighting to digital dimming, and has good fast response. lighting conol is generally present form by bus, on the halogen lamp, rectifier with digital dimming digital dimming fluorescent lamps, etc., neon signs wholesale
in fact, led due to the exaction elecode, fixed to the upper lead frame reasons, have failed six sides out of the light, which is less than 49.6% of the entire emission region. led internal quantum efficiency is usually only about 20%, it has much room for improvement, is to sucture comprehensive led chips, packaging sucture, material refractive index and other factors to be addressed to improve the light efficiency. in recent years because of environmental protection, energy conservation, the comprehensive advantages of the semiconductor, led instead of aditional light sources for general lighting has been hard-edged, but the led luminous efficiency to a greater breakthrough can be achieved only widely used, because the luminous efficiency is applied to the data, to just like the above to improve luminous efficiency and eleco-optical efficiency of the internal quantum efficiency is closely related!business signs

this new database is consistent and the layout of the density in one direction by a fixed distance between the polysilicon, the best lithography model, while improving process conol to reduce the size of area. reduce the size of the standard cell gate density database can reach 1 million per square millimeter gate. reduce the size of the standard cell library provides the same performance and energy performance, will ace the aditional sucture of 9 (9-ack configuration) re-designed 8-ack configuration. this database also contains a wide range of threshold voltage selection and energy management components, with a range of characteristics of the critical test (characterization corners). design infrasucture marketing at tsmc juang.led sign
advertising led display advertising primarily to advertising revenue to a profitable investment, but how to design led display to atact attention to it. mainly from the following points to consider 1, rational planning and installation location of the display area, based on viewing distance and viewing angle and surrounding environment, and display requirements, rational planning and location of display area. rather than to the pursuit of large area, the location significantly. 2, play content selection and design of large-scale giant screen is the public media, there are public service, advertising category, insuctions and so on. we choose to play the content, requirements must be agreed with the public to avoid resist seeing a psychologist. 3, select high-quality led display, the effect is certainly better, do not buy some to poor quality led display, no matter how ineffective the location can not atact advertisers to serve ads. neon sign
this article will analyze in detail the working principle of this device. the basic principles of charge pump capacitor is a charge or used to store elecical energy, and at the appointed time to the default rate will be the release of the components. figure 1   from a voltage source for charging the capacitor (figure a and b is the ideal situation, c, and d is the actual case). if an ideal capacitor in an ideal voltage source vg is charged (see figure 1a), will be based on immediate memory function dirac charge current pulses (fig. 1b). the total amount of stored charge calculated as follows   q = cvg actual capacitor with equivalent series resistance (esr) and equivalent series inductance (esl), both of which will not affect the ability of capacitors to store energy. however, they switched capacitor voltage converter on the overall conversion efficiency has a great influence. led message board