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DLP投影设备历经近20年的开展,近几年逐步受到了LCD类产品的严重冲击,为了应对商场环境的改变,选用LED光源的DLP投影设备在近来三年内得到了大规模的推行和运用。
DLP projection equipment after nearly 20 years of development, gradually in recent years has been a serious impact on LCD products, in order to cope with the market changes in the environment, using LED light source DLP projection equipment in recent three years has been the promotion and application of large scale.
尽人皆知,传统DLP投影设备最为人所诟病的即是其选用的UHP光源,6000小时的平均寿数致使了用户的运用本钱始终无法下降,而LED光源则以10倍于UHP的运用寿数,极好的处理了这个疑问。但现在的LED光源是不是就白璧无瑕了呢?在运用中又要留意哪些方面呢?
Known to all, the traditional DLP projection equipment most criticized is the use of the UHP light source, the average life of 6000 hours due to the user's use of cost has not decreased, and the LED light source is at 10 times the UHP using his excellent handling this question. But now the LED light source is not a flawless white jade? In use and pay attention to what?
一、亮度和色域的选择
First, the choice of brightness and color gamut
LED光源虽然在传统的野外LED 显现屏中早已达到了K级流明的亮度,但是在DLP的运用中现在还遍及停留在600-800流明这个区间内(高亮作业形式),所以关于运用环境的环境光线要做更严厉的操控,以便将客户关于LED光源亮度缺乏的敏感度降到最低。
Although the LED light source in the traditional LED display in the field has already reached the level K lumens brightness, but in the use of DLP is still stuck in the 600-800 lumen throughout this range (highlighted work form), so on the use of environmental light to do more strict control, so that the customer on the LED lack of brightness of light source the sensitivity to a minimum.
一起因为LED光源的宽色域特性,使得咱们有机会在更杂乱的环境中进行运用。若环境光源是通常的冷白光或者白炽灯,那么主张可将色温调整在7500-9300K的规模,使人眼感受的亮度更高、颜色更艳丽。
Because of the wide color gamut of LED light source, we have the opportunity to use in a more cluttered environment. If the ambient light is usually cold white light or incandescent lamp, then advocate the color temperature can be adjusted in the scale of 7500-9300K, so that the human eye to feel a higher brightness, color more gorgeous.
二、散热
Two, heat dissipation
LED光源因为光谱特性,致使在平等亮度的状况下,光源部分发生的热量要高于UHP。所以其关于全部投影显现单元的散热规划请求以及环境温度的操控请求也就更高。现在主流的散热方式主要是风冷式和水冷式两种。应该说各有优缺点。风冷式对比传统、老练,水冷式散热功率略高于风冷式,但是规划难度较高,长时间运用的可靠性有待查验。
LED light source because of spectral characteristics, resulting in the case of equal brightness, the light source part of the heat is higher than UHP. Therefore, the requirements of the whole projection display unit for the heat dissipation planning and the control request of the environment temperature are higher. Now the main way of heat dissipation is air-cooled and water-cooled two. It should be said that each has advantages and disadvantages. Air cooling type contrast traditional, sophisticated, water-cooled cooling power slightly higher than air cooling, but the planning is difficult, the reliability of a long time to be checked.
三、保护
Three, protection
传统的UHP光源因为寿数较短,亮度衰减较快,致使在投入运用后,需求较高频率的定时调试,才能将亮度、颜色均匀性维持在必定水准。而LED光源的高寿数、低衰减特性极好的改进了这种状况,一起因为没有色轮,也就不必思考长时间运转的尘埃关于光机输出颜色造成的影响。这么就大大节省了保护所需求的人力开销。
UHP the traditional light source because life is short, brightness decay rapidly, resulting in the operation, the timing demands a higher frequency, brightness, color uniformity can be maintained in a certain level. The number of LED light source, improved high low attenuation characteristic of excellent situation together, because there is no color wheel, you don't have to think about the influence of long time operation of the dust caused by the machine output color. So, the demand for protection of the human cost is greatly reduced.
四、运用本钱
Four, the use of capital
因为LED光源的寿数达到了60000h,并且没有色轮,所以理论上在设备的正常运用周期以内不必再思考耗材的开销,
Because the LED light source life reached 60000h, and no color wheel, so the theory within the equipment's normal use cycle no longer thinking supplies cost,
综上所述,LED光源投影机在运用效果、保护本钱方面相比UHP迈进了一大步,只要在光源亮度方面赶快获得打破,能够预见其在必定时间内将主导全部高端大屏幕拼接商场。
In summary, LED light source projector than in the use of cost UHP protection effect, a major step forward, as long as the light brightness as soon as possible was broken, it will lead to anticipate all the high-end large screen splicing in a certain time shopping mall.
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