Planar lighting devices are ideal for many applications. Requirements for planar lighting devices are high luminance and good luminance uniformity, together with low power consumption. In this article, a large-area, planar lighting device with high luminance, excellent luminance uniformity, and controllable luminance characteristic that was successfully demonstrated for visible light emission is discussed. The same device with sufficient UV intensity and tunable intensity for UV light emission is also discussed. The design concept involves a diode panel structure that utilizes photocathodes operated in a reflection mode with an external excitation light source. The excitation light source is in the blue-visible light range. Commercially available phosphors are used as light sources for both visible and UV emissions. The light emission characteristic of the devices is investigated by measuring the optical and the electrical parameters as functions of the applied anode voltage. The results show that the luminance is high for visible light emission and that the intensity is sufficient for UV light emission. In particular, UV emission exhibits a characteristic of cold-UV light with a near-monochromatic spectrum. The optical and the electrical properties of the large-area planar device are good enough for many industrial applications.

中文翻译：

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基于平面 Cs3Sb 光电阴极发射器的大面积平面紫外照明器件的制造

平面照明设备是许多应用的理想选择。平面照明设备的要求是高亮度和良好的亮度均匀性，以及低功耗。在本文中，讨论了一种大面积、具有高亮度、优异的亮度均匀性和可控亮度特性的平面照明装置，该装置已成功用于可见光发射。还讨论了具有足够 UV 强度和可调谐 UV 光发射强度的相同设备。设计概念涉及二极管面板结构，该结构利用在反射模式下工作的光电阴极与外部激发光源。激发光源在蓝色可见光范围内。市售磷光体用作可见光和紫外光发射的光源。通过测量作为施加的阳极电压的函数的光学和电学参数来研究器件的发光特性。结果表明，可见光发射的亮度高，而紫外光发射的强度足够。特别是，UV 发射表现出具有近单色光谱的冷紫外光特性。大面积平面器件的光学和电学特性足以满足许多工业应用。UV 发射表现出具有近单色光谱的冷紫外光特性。大面积平面器件的光学和电学特性足以满足许多工业应用。UV 发射表现出具有近单色光谱的冷紫外光特性。大面积平面器件的光学和电学特性足以满足许多工业应用。