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日前,中国科学技术部在北京向媒体通报称,当前,LED照明拥有巨大的产业、经济、科技和社会效应,被全球多个国家视为战略性新兴产业。“LED照明是一个全球性的机会,强化全球合作是其产业发展所必需的重要一环”。  在与发达国家和新兴经济体合作方面,通过国际科技合作计划,中国半导体照明国家重点实验室在荷兰代尔夫特大学建立海外研发实体机构“国际开放创新中心”,并共同培养博士及博士后。中国还与德国教研部开展创新应用、标准检测、示范工程评价和产品循环利用等领域合作;与巴西、印度、俄罗斯、南非建立“金砖国家半导体照明合作平台”;联合肯尼亚教研部,共同开展中肯LED照明技术中心建设。  内专家认为,LED照明已成为一场成功的技术革命,在照明产业变革中确立主导地位。随着技术进步的推动和市场需求的拉动,LED照明产业将进入新一轮高速增长期,未来2-3年是半导体照明技术创新与产业发展的最关键时期。
大学材料科学系游波教授团队研制出的一种新型材料——光扩散涂层,在世博会上亮相。该材料能有效解决LED光源的眩光和出光效率低的问题。        LED目前存在着许多不完善的地方,最致命的一个缺点就是其点光源的特性。LED灯发光时会产生强光点,无法用眼睛直视,若一直生活在高亮度的LED光源周围,LED光源所形成的强光点会瞬间影响视觉的判断力。短期内会产生眼睛的不适和疲劳,而长期使用更会产生永久性的伤害。        免了LED产生的光污染危害,游波教授研发的光扩散膜将LED的点光源均匀转换成面光源,从而使光线形成漫反射,从而达到匀光的效果,这样整体的光源更均匀、柔和、饱满。记者了解到,光扩散膜不光可提高LED光线的利用率,增加LED的亮度,更可减少灯管使用量。一旦减少灯管数目,液晶屏幕的耗电量以及热能的产生均会大幅降低,对于绿色环保有所帮助。LED光扩散涂层,可替代目前使用的扩散膜,用于消除LED器件的眩光及点光源问题,可用于户外路灯及交通照明、大尺寸液晶面板以及笔记本电脑的背光源、建筑装饰照明、汽车用照明、家庭照明等。
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Precision application of laser manufacturing technique in China

Date: 2015-04-20
Views: 137

Laser technology has been applied to various fields of industrial production in China, domestic laser processing market, manufacturing components and industrial lasers, laser engraving machine, laser processing system (mark, dash, fine-tuning, laser cutting, welding, surface treatment, micro-machining, molding directly) about internal 90% per cent share of the total market of laser technology applications, is the major application of laser technology in the domestic market.


Laser machining laser cutting is the most mature, the most widely used one of the laser processing technology has been widely used in the automobile, iron and steel manufacturing and aerospace industries of metallurgy, gifts, ideal for cutting carbon steel and stainless steel, plastic, plexiglass, wood, metal and non-metallic materials such as printed circuit boards.


Laser tag is the industrial products of the most advanced technology.Has been widely used in the electronics industry, automotive industry, medical products, hardware and tools, home appliances, daily goods, labels, card technology, aviation industry, documents, jewelry, instruments, such as advertising signs.Typical application including various metal and non-metal and the products surface of playing marked, as stainless steel, and aluminum, and plexiglass, and ceramic, and plastic, and synthesis material, and wood, and rubber leather, and paper products, and capacitor, and inductance, and printed circuit plate, and IC, and electric received plug card, and various instrument and Control Panel, and button, and cosmetics packaging, and food packaging, and stationery, and crafts, and cigarettes, and detonator, and bearing, and gear, and piston ring,.Laser marking machines, lasers can production in China, domestic laser marking machine can meet the requirements of industrialization, import substitution.Jinan multidimensional optical equipment was of YAG laser marking machine produced by the company applied to the Sino-Hong Kong joint venture, Fujian Changxing electronic company, replacing the company from Germany import of laser marking machine, laser marking machine better than imported.


Laser welding is widely used in laser processing workshop and automated production lines, industries such as electronics, aerospace, chemical and metal industries, welding materials and products of stainless steel, aluminum alloy, for pressure vessels, tantalum capacitor, electron guns, lithium-ion batteries, pressure sensors, fiber optic coupling devices, aerospace metals used in sealed boxes or containers.


Laser engraving has been widely used in seal, medal trophies, gifts and advertisements and other industries, such as horns, plastic, organic, wood, ink pad storage, Atom seals, rubber and other materials easily engraving on all kinds of seals; engraving, cutting all kinds of signs; on bamboo or wood carving all kinds of text, graphics, and so on.


My electronic industry IC, printed circuit, some technology content higher of products of growth trend view, electronic products area of autonomous innovation capacity in constantly strengthening, and precision laser manufacturing and service in the area has broad of market space, SMT template, products broad used precision laser manufacturing and service has is development trend, precision laser manufacturing and service future of market a is existing market of natural growth, also is traditional of technology method gradually is precision laser manufacturing and service alternative, market uncapped., Laser engraving machine, laser engraving technology will accompany the progress!


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