luminance

简明释义

英[ˈluːmɪnəns]美[ˈluːmɪnəns]

n. [光][电子]亮度；[光]发光性（等于 luminosity）；光明

英英释义

单词用法

同义词

反义词

例句

1.There are interactions in the effects of VDT luminance contrast and screen luminance on operator's visual performance.

VDT的亮度对比度和屏面亮度在对操作者视觉功能的影响中，存在着交互作用。

2.With the proximity focused diode image intensifier coupled to a low luminance el display, and a photocathode instead of a field-emitter, a new photocathode display is developed.

详述了近贴聚焦二极管像增强器与低亮度矩阵el显示屏耦合，用光电阴极代替场发射电子，开发出一种新型显示器。

3.The designers and product, reflective pixels, enhancing luminance, presenting colors and driving the pixels of color reflective liquid_crystal are emphasis described. Finally.

着重介绍彩色反射式显示器的设计和制作技术、显示亮度的增强、色彩的呈现以及象素的驱动。

4.An ABL circuit (4) calculates a luminance limit quantity (BL) based on luminance limit characteristics, the average luminance level (APL) and the power consumption limit quantity (PL).

ABL电路(4)根据亮度限制特性、平均亮度级别(APL)和功耗限制量(PL)算出亮度限制量(BL)。

5.The electro luminance timing effects and the voltage current timing effects have been measured and compared with that of the similar electroluminescent device inorganic LED.

实验表明有机薄膜发光的电光时间效应与LED器件相比有其特殊性。

6.The functions can be realized by the system, for example, display in same time about image, test frame, luminance value and set parameter, and wide-range measure...

该系统的建立，可实现图像、测试框、亮度值、设定参数的同屏显示及宽量程测量等多种功能。

7.The luminance levels in the room were adjusted for optimal reading conditions.

房间内的亮度水平被调整为最佳阅读条件。

8.Scientists measure the luminance of stars to determine their distance from Earth.

科学家测量星星的亮度以确定它们与地球的距离。

9.The luminance of the screen can affect eye strain during long hours of use.

屏幕的亮度会影响长时间使用时的眼睛疲劳。

10.The photographer adjusted the settings to capture the perfect luminance in the sunset.

摄影师调整了设置，以捕捉日落时完美的亮度。

11.In graphic design, understanding luminance helps in creating visually appealing images.

在平面设计中，理解亮度有助于创造视觉上吸引人的图像。

作文

Luminance is a term that refers to the brightness of a surface as perceived by the human eye. It plays a crucial role in various fields, including photography, television, and visual arts. Understanding the concept of luminance can enhance our appreciation of light and color, allowing us to create more visually appealing compositions. In photography, for instance, capturing the right luminance is essential for achieving the desired mood and atmosphere in an image. A photograph with high luminance often appears vibrant and lively, while one with low luminance may evoke feelings of calmness or melancholy.In the world of television and digital displays, luminance is a critical factor in determining the quality of the picture. The higher the luminance, the clearer and more vivid the images appear on the screen. This is particularly important when it comes to watching movies or playing video games, where visual clarity can significantly impact the overall experience. Manufacturers strive to produce screens with high luminance levels to ensure that viewers receive the best possible visual experience.Moreover, artists often manipulate luminance in their work to guide the viewer's eye and create depth. By using contrasting levels of luminance, they can highlight certain elements of their artwork while downplaying others. This technique not only adds interest but also helps convey emotions and narratives within the piece. For example, a painting may use bright areas of high luminance to draw attention to a focal point, while darker, less luminous areas create a sense of shadow and mystery.The perception of luminance is also influenced by surrounding colors and lighting conditions. Our eyes adjust to different lighting scenarios, which can alter how we perceive the brightness of an object. This phenomenon is why a white wall may appear gray in dim lighting or why a brightly lit room can make colors seem more vibrant. Understanding this interplay between luminance and context is essential for anyone working with visual mediums.In conclusion, luminance is more than just a technical term; it is a fundamental aspect of how we perceive and interact with the world around us. Whether in photography, digital media, or traditional art forms, mastering the use of luminance can lead to more impactful and engaging visual experiences. As we continue to explore the realms of light and color, the importance of luminance remains a vital consideration for artists, photographers, and anyone interested in the visual arts. By understanding and applying the principles of luminance, we can enhance our creative expressions and communicate more effectively through our visual narratives.

亮度是一个术语，指的是人眼感知到的表面亮度。它在摄影、电视和视觉艺术等多个领域中发挥着至关重要的作用。理解亮度的概念可以增强我们对光和色彩的欣赏，使我们能够创造出更具视觉吸引力的作品。例如，在摄影中，捕捉正确的亮度对于实现图像所需的氛围和情感至关重要。高亮度的照片通常看起来生动而充满活力，而低亮度的照片可能会唤起平静或忧郁的感觉。在电视和数字显示屏的世界中，亮度是决定画面质量的关键因素。亮度越高，屏幕上的图像就越清晰和生动。这一点在观看电影或玩视频游戏时尤其重要，因为视觉清晰度会显著影响整体体验。制造商努力生产具有高亮度水平的屏幕，以确保观众获得最佳的视觉体验。此外，艺术家们常常在作品中操控亮度，以引导观众的目光并创造深度。通过使用不同程度的亮度对比，他们可以突出某些元素，同时淡化其他元素。这种技巧不仅增加了趣味性，还帮助传达作品中的情感和叙事。例如，一幅画可能利用高亮度的明亮区域来吸引注意力，而较暗、较少亮度的区域则创造出阴影和神秘感。亮度的感知也受到周围颜色和光照条件的影响。我们的眼睛会根据不同的照明场景进行调整，这可能会改变我们对物体亮度的感知。这就是为什么在昏暗的光线下，白墙可能看起来是灰色的，或者在明亮的房间里，颜色可能显得更加生动。理解亮度与环境之间的相互作用，对于任何从事视觉媒介的人来说都是至关重要的。总之，亮度不仅仅是一个技术术语；它是我们感知和与周围世界互动的基本方面。无论是在摄影、数字媒体还是传统艺术形式中，掌握亮度的使用都可以带来更有影响力和吸引力的视觉体验。随着我们继续探索光和色彩的领域，亮度的重要性仍然是艺术家、摄影师和任何对视觉艺术感兴趣的人的重要考虑。通过理解和应用亮度的原则，我们可以增强我们的创作表达，并通过视觉叙事更有效地沟通。