亮度發光率 的英文怎麼說
中文拼音 [liàngdùfāguānglǜ]
亮度發光率
英文
luminance- 亮 : Ⅰ形容詞1 (光線強; 明亮) bright; light 2 (聲音強; 響亮) loud and clear; resounding 3 (開朗; ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 發 : 名詞(頭發) hair
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 率 : 率名詞(比值) rate; ratio; proportion
- 發光 : 1 (發出光來) give out light; shine; be luminous; brighten; fulgurate; flash; glow; sparkle; gli...
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The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser
大功率半導體量子阱激光器是一種性能優越的發光器件,具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點,廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎,對器件的光學和電學性能有著重要的影響,生長不出優質的材料體系,獲得高性能的器件就無從談起,因此,材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。The brightness or luminance of an object is defined as the luminous flux emitted per unit area of the object into unit solid angle.
物體的亮度或發光率定義為物體面積發射到單位立體角內的光通量。The reason to cause this phenomenon is due to the change of electric field in the blue oled to induce the probality of the carrier shifted and the hole - electron recombination zone changed, which was a possible alternative to achieve color display. 3 ) device with the structure of ito / npb / adn : balq3 / alq3 / mg : ag was fabricated. when the balq3 dopant concentration was about 25 mol %, a high performance devcie with luminous efficiency of 1. 0 lm / w, the peak of emission spectrum at 440 nm, the cie coordinate at ( 0. 18, 0. 15 ), and half lifetime of unencapsulated device about 950 hrs was achieved
導致本現象的原因是由於各有機層電場強度的變化影響了空穴和電子的隧穿幾率,從而導致載流子的復合區域發生改變而發出不同顏色的光; 3 )制備了結構為ito / npb / adn : balq3 / alq3 / mg : ag的藍光oled ,空穴阻擋材料balq3的摻入顯著影響了oled的光電性能,當balq3的摻雜濃度為25mol %時, oled的發光效率為1 . 0lm / w ,發光光譜的峰值為440nm ,色純度為( 0 . 18 , 0 . 15 ) ,未封裝器件的半衰期達到了950小時; 4 )在藍光材料adn中摻雜npb 、 balq3和tbp三種材料時,不僅改善了器件的發光亮度和色純度,而且提高了器件的發光效率和壽命。Since polymer light - emitting diodes ( pleds ) were invented, much efforts have been made to improve the brightness and efficiency of its electroluminescence for realizing pled commercial application. we investigated several factors influencing the brightness, efficiency and spectrum characteristics of pleds el, especially focused our attention on the processes of carrier injection, transport, recombination and annihilation factors influencing brightness efficiency of organic electroluminescence ( oel ) in doped single and double - layer pleds
本文以提高聚合物器件的效率和亮度為目標,提出了提高及b幾種方案,研究了材料性質,器件結構,它們的穩態及瞬態特性及發光機理,特別關注了以兼具電子空穴傳輸能力的分子及摻雜聚合物作成的單雙層摻雜聚合物發光器件中的載流子注入、遷移、復合及湮滅等。Organic and polymer electroluminescence materials have attracted much interest because of its high luminescence efficiency, full color, processable and so on
有機電致發光材料由於具有高發光效率,亮度和顏色可調,易加工成膜等優良特性,引起了人們的極大興趣。Moksan 0. 5w power leds offer ultra high brightness and efficacy for a broad range of specialty and general illumination applications
5w大功率發光二極體能提供超高的亮度和光效,可廣泛地應用於專業照明和普通照明。By use of g. d. shen ' s tunneling cascade theory we have fabricated high performance and high power tunneling cascade ingaas / gaas / algaas 950nm / 990nm double wavelength strained quantum well lasers on the basis of former tunneling cascade high power lasers and high brightness light emitting diodes. the lasers " two peak wavelength are 95 ? nm and 990 ? nm. el spectrum ' s fwhm is 3nm
在以往隧道級聯大功率應變量子阱激光器及高亮度發光管的理論研究與實驗的基礎之上,採用沈光地教授提出的隧道級聯思想,成功研製出基於ingaas gaas algaas材料的高性能大功率隧道級聯950nm及990nm雙波長應變量子阱激光器,激射波長分別為952 2nm和990 2nm , el譜的譜線寬度約3nm ,未鍍膜器件單面最大輸出光功率可達2w以上,閾值電流最低達120ma 。Leds ( light emitting diodes ) have become new attractive solid light sources with superiority in high reliability, high brightness, long life and high energy efficiency and extensively been used in the area of big screen displaying, traffic signal lights, multimedia information storage and lighting
發光二級管( lightemittingdiode , led )是一種高亮度、高效率、長壽命的新型固體光源。被廣泛應用於大屏幕顯示,交通信號燈,多媒體信息存儲,照明等領域,無論是產值還是產量,在半導體光電器件中均占據主導地位。The research on data processing method of multi - spectral thermometry for the measurement of the true temperature and spectral emissivity of high temperature and ultrahigh temperature targets has been supported by the national natural science foundation of china ( no. 60377037 )
多光譜測溫數據處理方法研究是由國家自然科學基金(編號: 60377037 )資助,應用亮溫逼近法和連續測量法解決高溫及超高溫目標真實溫度及物體的光譜發射率測量問題。Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively
其次,由於一直以來藍光oled器件的研究處于相對落後的狀態,其發光亮度、效率、穩定性和色純度都無法綠光器件相比,所以本論文在以下幾個方面對藍光器件的性能進行了系統的研究: 1 )研究了雙異質型藍光oled器件,由於本研究引入了空穴阻擋層,使得載流子的復合和激子的擴散被限定在發光層內,器件的發光效率達到了1 . 90lm / w ,最大亮度達到了10000cd / m2 ,比傳統結構器件的效率和亮度提高了約一個數量級; 2 )制備了結構為ito / npb / balq3 / alq3 / mg : ag的oled器件,研究發現,當改變各有機層厚度時,器件的電致發光光譜發生了從綠光到藍光的移動。Then the temperature and spectral emissivity of material is calculated through processing the information data. this method has been quickly developed in the latest years because of the capability to get true temperature and emissivity without auxiliary instruments or other additional information
多波長輻射測溫法是在一個儀器中製成多個光譜通道,利用多個光譜的物體輻射亮度測量信息,經過數據處理得到物體的溫度和材料的光譜發射率。Lif acting as the electron inject layer can increase the luminous efficiency and decrease the operating voltage ; cupc acting as the hole inject layer can improve the device ' s stability, but at the same time, it will cause the reduction of brightness and efficiency
Lif作為電子注入層,能夠明顯提高器件的發光效率,降低器件的工作電壓; cupc作為空穴注入層能夠使器件穩定性提高,但也導致了亮度和效率的下降。( 2 ) a continuous measurement method based on brightness temperature is proposed by processing the measured data of the multiwavelength pyrometer at two different times, the true temperatures and spectral emissivities at two different times can be calculated simultaneously. the experimental results show that this method improves the measurement precision of true temperature and spectral emissivity
( 2 )提出了基於亮度溫度模型的連續測量法,通過處理多波長溫度計兩個不同溫度處的測量數據,可以同時求得兩個不同溫度處被測目標的真溫及光譜發射率,試驗表明:該方法可以提高計算精度。Oled ( organic electroluminescent diodes ) is one of the most promising next - generation flat panel display technology due to its outstanding advantages, such as high efficiency, flexible, and low voltage. and much progress has been made in the researches on the materials and device structure in the last decade
近年來, oled (有機電致發光)的研究進展對技術和商業都有著深遠的影響。與傳統的顯示方式相比,有機電致發光明顯具有起動電壓低,高效率,高亮度,厚度薄而且彎曲性能比較好等優勢,它的應用前景是非常誘人的。Carrier aggregation on the interface between organic layer and electrodes may screen extra electric field and reduce barrier height for carrier injection. ( 3 ) we utilized oxd as buffer layer in anode and lif in cathode in single layer mehppv pleds. and the efficiency and brightness was doubled. the results implied that aggregation of minority carriers at the interface may the role of blocking layer
( 3 )在單層mehppv器件的陽極引入oxd作為電子阻擋修飾層, lif作為陰極修飾層,利用阻擋少數載流子實現界面電荷積累的方法提高了器件發光亮度和效率,分析了器件電流電壓特性,使器件發光效率和亮度提高了一倍以上。Wang zijun ( condensed matter physics ) directed by prof. zhong guozhu and li wenlian hotly studied organic thin film electroluminescence, because of its ultra high brightness and efficiency, reminds man to consider the possibility of realizing organic semiconducting laser diods
熱點研究的有機薄膜電致發光,由於極高的亮度和效率,使人聯想有機半導體薄膜激光二極體的可能性。率先的突破是在單晶上作出的,用了場效應注入雙電極。How to further improve the luminous efficiency, brightness, life length and operating voltage of organic light - emitting diodes ( oleds ) is still in research
如何進一步提高有機發光二極體( oled )的發光效率、提高發光亮度、延長器件壽命、降低工作電壓還處于不斷研究中。To improve the measuring precision of true temperature and spectral emissivity, the dissertation brings forth the new ideas and work as follows : ( 1 ) a brightness temperature approach is proposed and used for the measurement of the true temperature and spectral emissivity
為了提高目標真溫和光譜發射率的測量精度,本課題主要研究工作如下: ( 1 )提出了基於亮度溫度模型的亮溫逼近法的多光譜數據處理方法,以求取目標真溫及光譜發射率。For being with many advantages, it has been an active subject in recent years and much progress has been made. on the basic of analysis of many kinds of led structures, a new kind of strained layer structure has been introduced into our designed hb - led which has been manufactured in our laboratory to demonstrate a even higher efficient light emission. through calculation of led external quantum efficiency, a method for design hb - led top layer was evaluated
本論文分析了當前國內外各種led的結構及其製作工藝,在技術上較為成熟的雙異質結構基礎上,我們在器件的有源區引入應變多量子阱結構,並根據實際需求增加補償應變技術以保證發光層結構的穩定性;通過對器件外量子效率的計算,使得在器件設計有了定量的理論分析依據;並採用先進的渦輪lp - mocvd成功制備出galnp gaalinp應變多量子阱高亮度發光二極體器件。With development and improvement of technical, led in all kinds of colors, brightness and shapes was innovated quickly in the recent years. the quality, brightness, power consurmption 1w, 3w of led better and better, but cost lower and lower
隨著led的發展和完善,各種顏色和形狀的led被開發出來,並且質量逐步穩定,亮度和功率越來越大,而成本在降低,使led取代傳統光源並進入大眾市場成為可能和現實。分享友人